1.  run(n = noun.act) tally - a score in baseball made by a runner touching all four bases safely; "the Yankees scored 3 runs in the bottom of the 9th"; "their first tally came in the 3rd inning"
is a kind of score
has particulars: earned run, unearned run, rbi, run batted in
Derived form verb run₂₄

2.  run(n = noun.act) test, trial - the act of testing something; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial"
is a kind of attempt, effort, endeavor, endeavour, try
has particulars: assay, clinical test, clinical trial, double blind, preclinical phase, preclinical test, preclinical trial, audition, tryout, field trial, fitting, try-on, trying on, ministry of transportation test, mot, mot test, pilot program, pilot project, snellen test
Derived form verb run₃₈

3.  run(n = noun.event) foot race, footrace - a race run on foot; "she broke the record for the half-mile run"
is a kind of race
has particulars: fun run, funrun, marathon, obstacle race, steeplechase, track event
Derived forms verb run₃₇, verb run₂₉, verb run₁, verb run₂₆

4.  run(n = noun.group) streak - an unbroken series of events; "had a streak of bad luck"; "Nicklaus had a run of birdies"
is a kind of succession
has particulars: losing streak, winning streak

5.  run(n = noun.act) running, running game, running play - (American football) a play in which a player attempts to carry the ball through or past the opposing team; "the defensive line braced to stop the run"; "the coach put great emphasis on running"
is a kind of football play
has particulars: draw, draw play, end run, sweep, return, reverse, rush, rushing
Derived forms verb run₃₃, verb run₂₄

6.  run(n = noun.act) - a regular trip; "the ship made its run in record time"
is a kind of trip
Derived forms verb run₃₅, verb run₂₅

7.  run(n = noun.act) running - the act of running; traveling on foot at a fast pace; "he broke into a run"; "his daily run keeps him fit"
is a kind of locomotion, travel
has particulars: dash, sprint
Derived forms verb run₂₉, verb run₁, verb run₃₄, verb run₂₆

8.  run(n = noun.time) - the continuous period of time during which something (a machine or a factory) operates or continues in operation; "the assembly line was on a 12-hour run"
is a kind of period, period of time, time period
has particulars: press run, print run, run-time

9.  run(n = noun.state) - unrestricted freedom to use; "he has the run of the house"
is a kind of liberty
Derived form verb run₁₁

10.  run(n = noun.quantity) - the production achieved during a continuous period of operation (of a machine or factory etc.); "a daily run of 100,000 gallons of paint"
is a kind of indefinite quantity

11.  run(n = noun.object) rill, rivulet, runnel, streamlet - a small stream;
is a kind of stream, watercourse
Derived form verb run₆

12.  run(n = noun.event) campaign, political campaign - a race between candidates for elective office; "I managed his campaign for governor"; "he is raising money for a Senate run"
is a kind of race
has particulars: campaign for governor, governor's race, senate campaign, senate race
Derived form verb run₉

13.  run(n = noun.event) ladder, ravel - a row of unravelled stitches; "she got a run in her stocking"
is a kind of damage, harm, impairment
Derived form verb run₄₀

14.  run(n = noun.event) discharge, outpouring - the pouring forth of a fluid;
is a kind of flow, flowing
has particulars: jet, spirt, spurt, squirt, escape, leak, leakage, outflow
Derived forms verb run₆, adjective runny₁

15.  run(n = noun.attribute) - an unbroken chronological sequence; "the play had a long run on Broadway"; "the team enjoyed a brief run of victories"
is a kind of chronological sequence, chronological succession, sequence, succession, successiveness

16.  run(n = noun.act) - a short trip; "take a run into town"
is a kind of trip
Derived form verb run₄₁

1.  run(v = verb.motion) - move fast by using one's feet, with one foot off the ground at any given time; "Don't run--you'll be out of breath"; "The children ran to the store"
is one way to hurry, speed, travel rapidly, zip
Derived forms noun run₇, noun run₃, noun runner₂, noun running₂
Sample sentences: The horses run across the field

2.  run(v = verb.motion) break away, bunk, escape, fly the coop, head for the hills, hightail it, lam, run away, scarper, scat, take to the woods, turn tail - flee; take to one's heels; cut and run; "If you see this man, run!"; "The burglars escaped before the police showed up"
is one way to go away, go forth, leave
Sample sentences: Something ----s; Somebody ----s; Somebody ----s PP

3.  run(v = verb.stative) extend, go, lead, pass - stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point; "Service runs all the way to Cranbury"; "His knowledge doesn't go very far"; "My memory extends back to my fourth year of life"; "The facts extend beyond a consideration of her personal assets"
is one way to be
Sample sentences: Something is ----ing PP

4.  run(v = verb.social) operate - direct or control; projects, businesses, etc.; "She is running a relief operation in the Sudan"
is one way to direct
Derived form noun running₄
Sample sentences: Somebody ----s something

5.  run(v = verb.stative) go - have a particular form; "the story or argument runs as follows"; "as the saying goes..."
is one way to be
Sample sentences: Something ----s

6.  run(v = verb.motion) course, feed, flow - move along, of liquids; "Water flowed into the cave"; "the Missouri feeds into the Mississippi"
is one way to move
Derived forms noun run₁₄, noun run₁₁
Sample sentences: Water and oil run into the bowl

7.  run(v = verb.contact) function, go, operate, work - perform as expected when applied; "The washing machine won't go unless it's plugged in"; "Does this old car still run well?"; "This old radio doesn't work anymore"
Sample sentences: These cars won't run

8.  run(v = verb.stative) range - change or be different within limits; "Estimates for the losses in the earthquake range as high as $2 billion"; "Interest rates run from 5 to 10 percent"; "The instruments ranged from tuba to cymbals"; "My students range from very bright to dull"
is one way to be
Sample sentences: Something ----s something

9.  run(v = verb.competition) campaign - run, stand, or compete for an office or a position; "Who's running for treasurer this year?"
is one way to race, run
Derived form noun run₁₂
Sample sentences: Somebody ----s; Somebody ----s PP

10.  run(v = verb.creation) play - cause to emit recorded audio or video; "They ran the tapes over and over again"; "I'll play you my favorite record"; "He never tires of playing that video"
Sample sentences: Sam and Sue run the movie

11.  run(v = verb.motion) - move about freely and without restraint, or act as if running around in an uncontrolled way; "who are these people running around in the building?"; "She runs around telling everyone of her troubles"; "let the dogs run free"
is one way to go, locomote, move, travel
Derived form noun run₉
Sample sentences: Something is ----ing PP; Somebody ----s PP

12.  run(v = verb.stative) be given, incline, lean, tend - have a tendency or disposition to do or be something; be inclined; "She tends to be nervous before her lectures"; "These dresses run small"; "He inclined to corpulence"
is one way to be
Sample sentences: Somebody ----s to INFINITIVE

13.  run(v = verb.contact) - be operating, running or functioning; "The car is still running--turn it off!"
is one way to function, go, operate, run, work
Antonym: idle
Derived form noun running₃
Sample sentences: Something ----s

14.  run(v = verb.change) - change from one state to another; "run amok"; "run rogue"; "run riot"
is one way to become, get, go
Sample sentences: Something ----s Adjective/Noun; Somebody ----s Adjective; Somebody ----s something; Something ----s something

15.  run(v = verb.change) - cause to perform; "run a subject"; "run a process"
is one way to process, treat
Sample sentences: Somebody ----s something; Somebody ----s somebody

16.  run(v = verb.stative) - be affected by; be subjected to; "run a temperature"; "run a risk"
is one way to incur
Sample sentences: Somebody ----s something

17.  run(v = verb.stative) die hard, endure, persist, prevail - continue to exist; "These stories die hard"; "The legend of Elvis endures"
is one way to continue
Sample sentences: Something ----s

18.  run(v = verb.stative) - occur persistently; "Musical talent runs in the family"
is one way to occur
Sample sentences: Something is ----ing PP

19.  run(v = verb.social) execute - carry out a process or program, as on a computer or a machine; "Run the dishwasher"; "run a new program on the Mac"; "the computer executed the instruction"
is one way to apply, enforce, implement
Sample sentences: Somebody ----s something; Something ----s something

20.  run(v = verb.creation) carry - include as the content; broadcast or publicize; "We ran the ad three times"; "This paper carries a restaurant review"; "All major networks carried the press conference"
is one way to broadcast, circularise, circularize, circulate, diffuse, disperse, disseminate, distribute, pass around, propagate, spread
Sample sentences: Somebody ----s something; Something ----s something

21.  run(v = verb.creation) - carry out; "run an errand"
is one way to accomplish, action, carry out, carry through, execute, fulfil, fulfill
Sample sentences: Somebody ----s something

22.  run(v = verb.contact) draw, guide, pass - pass over, across, or through; "He ran his eyes over her body"; "She ran her fingers along the carved figurine"; "He drew her hair through his fingers"
Sample sentences: Somebody ----s something PP

23.  run(v = verb.stative) lead - cause something to pass or lead somewhere; "Run the wire behind the cabinet"
is one way to make pass, pass
Sample sentences: Somebody ----s something PP

24.  run(v = verb.social) - make without a miss;
is one way to bring home the bacon, come through, deliver the goods, succeed, win
Derived forms noun run₁, noun run₅
Sample sentences: Somebody ----s something

25.  run(v = verb.possession) black market - deal in illegally, such as arms or liquor;
is one way to merchandise, trade
Derived form noun run₆
Sample sentences: Somebody ----s something

26.  run(v = verb.motion) - cause an animal to move fast; "run the dogs"
is one way to displace, move
Derived forms noun run₇, noun run₃
Sample sentences: The men run the horses across the field

27.  run(v = verb.motion) bleed - be diffused; "These dyes and colors are guaranteed not to run"
is one way to diffuse, fan out, spread, spread out
Sample sentences: Something ----s

28.  run(v = verb.motion) - sail before the wind;
is one way to sail
Sample sentences: Something ----s; Somebody ----s

29.  run(v = verb.motion) - cover by running; run a certain distance; "She ran 10 miles that day"
is one way to go across, go through, pass
Derived forms noun run₇, noun run₃
Sample sentences: Somebody ----s something

30.  run(v = verb.stative) run for - extend or continue for a certain period of time; "The film runs 5 hours"
is one way to endure, last
Sample sentences: Something ----s something

31.  run(v = verb.social) - set animals loose to graze;
is one way to free, liberate, loose, release, unloose, unloosen
Sample sentences: Somebody ----s something

32.  run(v = verb.motion) consort - keep company; "the heifers run with the bulls to produce offspring"
is one way to accompany
Sample sentences: Something is ----ing PP

33.  run(v = verb.motion) - run with the ball; in such sports as football;
is one way to run
Derived forms noun run₅, noun running₁
Sample sentences: Somebody ----s

34.  run(v = verb.motion) - travel rapidly, by any (unspecified) means; "Run to the store!"; "She always runs to Italy, because she has a lover there"
is one way to go, locomote, move, travel
Derived form noun run₇
Sample sentences: Somebody ----s; Somebody ----s PP

35.  run(v = verb.motion) ply - travel a route regularly; "Ships ply the waters near the coast"
is one way to jaunt, travel, trip
Derived form noun run₆
Sample sentences: Something is ----ing PP; Somebody ----s PP

36.  run(v = verb.competition) hunt, hunt down, track down - pursue for food or sport (as of wild animals); "Goering often hunted wild boars in Poland"; "The dogs are running deer"; "The Duke hunted in these woods"
is one way to capture, catch
Sample sentences: Somebody ----s; Somebody ----s something; Somebody ----s somebody

37.  run(v = verb.competition) race - compete in a race; "he is running the Marathon this year"; "let's race and see who gets there first"
is one way to compete, contend, vie
Derived forms noun run₃, noun runner₆, noun running₅
Sample sentences: These cars won't run

38.  run(v = verb.change) go, move - progress by being changed; "The speech has to go through several more drafts"; "run through your presentation before the meeting"
is one way to change
Derived form noun run₂
Sample sentences: Something is ----ing PP; Somebody ----s PP

39.  run(v = verb.change) melt, melt down - reduce or cause to be reduced from a solid to a liquid state, usually by heating; "melt butter"; "melt down gold"; "The wax melted in the sun"
is one way to break up, dissolve, resolve
Sample sentences: Something ----s; Somebody ----s something; Something ----s something

40.  run(v = verb.change) ladder - come unraveled or undone as if by snagging; "Her nylons were running"
is one way to break, come apart, fall apart, separate, split up
Derived form noun run₁₃
Sample sentences: Something ----s

41.  run(v = verb.change) unravel - become undone; "the sweater unraveled"
is one way to disintegrate
Derived form noun run₁₆
Sample sentences: Something ----s

1.  To move, proceed, advance, pass, go, come, etc., swiftly, smoothly, or with quick action; -- said of things animate or inanimate. Hence, to flow, glide, or roll onward, as a stream, a snake, a wagon, etc.; to move by quicker action than in walking, as a person, a horse, a dog. [1913 Webster]

2.  To go swiftly; to pass at a swift pace; to hasten. [1913 Webster]
"“Ha, ha, the fox!” and after him they ran." [1913 Webster]
"As from a bear a man would run for life." [1913 Webster]
"Know ye not that they which run in a race run all, but one receiveth the prize? So run, that ye may obtain." [1913 Webster]
"Have I not cause to rave and beat my breast, to rend my heart with grief and run distracted?" [1913 Webster]
"Virgil, in his first Georgic, has run into a set of precepts foreign to his subject." [1913 Webster]

3.  To flow, as a liquid; to ascend or descend; to course; as, rivers run to the sea; sap runs up in the spring; her blood ran cold. [1913 Webster]
"The fire ran along upon the ground." [1913 Webster]
"As wax dissolves, as ice begins to run." [1913 Webster]
"Sussex iron ores run freely in the fire." [1913 Webster]
"She saw with joy the line immortal run,
Each sire impressed, and glaring in his son." [1913 Webster]
"As fast as our time runs, we should be very glad in most part of our lives that it ran much faster." [1913 Webster]
"When we desire anything, our minds run wholly on the good circumstances of it; when it is obtained, our minds run wholly on the bad ones." [1913 Webster]
"Where the generally allowed practice runs counter to it." [1913 Webster]
"Little is the wisdom, where the flight
So runs against all reason." [1913 Webster]
"The king's ordinary style runneth, “Our sovereign lord the king.”" [1913 Webster]
"Men gave them their own names, by which they run a great while in Rome." [1913 Webster]
"Neither was he ignorant what report ran of himself." [1913 Webster]
"If the richness of the ground cause turnips to run to leaves." [1913 Webster]
"A man's nature runs either to herbs or weeds." [1913 Webster]
"Temperate climates run into moderate governments." [1913 Webster]
"In the middle of a rainbow the colors are . . . distinguished, but near the borders they run into one another." [1913 Webster]
"Customs run only upon our goods imported or exported, and that but once for all; whereas interest runs as well upon our ships as goods, and must be yearly paid." [1913 Webster]

4.  Specifically, of a horse: To move rapidly in a gait in which each leg acts in turn as a propeller and a supporter, and in which for an instant all the limbs are gathered in the air under the body. Stillman (The Horse in Motion). [1913 Webster]

5.  To move rapidly by springing steps so that there is an instant in each step when neither foot touches the ground; -- so distinguished from walking in athletic competition. [1913 Webster]
"And had her stock been less, no doubt
She must have long ago run out." [1913 Webster]
"But these, having been untrimmed for many years, had run up into great bushes, or rather dwarf trees." [1913 Webster]

1.  To cause to run (in the various senses of Run, v. i.); as, to run a horse; to run a stage; to run a machine; to run a rope through a block. [1913 Webster]

2.  To pursue in thought; to carry in contemplation. [1913 Webster]
"To run the world back to its first original." [1913 Webster]
"I would gladly understand the formation of a soul, and run it up to its “punctum saliens.”" [1913 Webster]

3.  To cause to enter; to thrust; as, to run a sword into or through the body; to run a nail into the foot. [1913 Webster]
"You run your head into the lion's mouth." [1913 Webster]
"Having run his fingers through his hair." [1913 Webster]

4.  To drive or force; to cause, or permit, to be driven. [1913 Webster]
"They ran the ship aground." [1913 Webster]
"A talkative person runs himself upon great inconveniences by blabbing out his own or other's secrets." [1913 Webster]
"Others, accustomed to retired speculations, run natural philosophy into metaphysical notions." [1913 Webster]

5.  To fuse; to shape; to mold; to cast; as, to run bullets, and the like. [1913 Webster]
"The purest gold must be run and washed." [1913 Webster]

6.  To cause to be drawn; to mark out; to indicate; to determine; as, to run a line. [1913 Webster]

7.  To cause to pass, or evade, offical restrictions; to smuggle; -- said of contraband or dutiable goods. [1913 Webster]
"Heavy impositions . . . are a strong temptation of running goods." [1913 Webster]

8.  To go through or accomplish by running; as, to run a race; to run a certain career. [1913 Webster]

9.  To cause to stand as a candidate for office; to support for office; as, to run some one for Congress. [1913 Webster]

10.  To encounter or incur, as a danger or risk; as, to run the risk of losing one's life. See To run the chances, below. Bacon. [1913 Webster]
"If we don't succeed, we run the risk of failure." [PJC]

11.  To put at hazard; to venture; to risk. [1913 Webster]
"He would himself be in the Highlands to receive them, and run his fortune with them." [1913 Webster]

12.  To discharge; to emit; to give forth copiously; to be bathed with; as, the pipe or faucet runs hot water. [1913 Webster]
"At the base of Pompey's statua,
Which all the while ran blood, great Cæsar fell." [1913 Webster]

13.  To be charged with, or to contain much of, while flowing; as, the rivers ran blood. [1913 Webster]

14.  To conduct; to manage; to carry on; as, to run a factory or a hotel. [1913 Webster]

15.  To tease with sarcasms and ridicule. [1913 Webster]

16.  To sew, as a seam, by passing the needle through material in a continuous line, generally taking a series of stitches on the needle at the same time. [1913 Webster]

17.  To migrate or move in schools; -- said of fish; esp., to ascend a river in order to spawn. [1913 Webster]

18.  To strike (the ball) in such a way as to cause it to run along the ground, as when approaching a hole. [Webster 1913 Suppl.]

1.  The act of running; as, a long run; a good run; a quick run; to go on the run. [1913 Webster]

2.  A small stream; a brook; a creek. [1913 Webster]

3.  That which runs or flows in the course of a certain operation, or during a certain time; as, a run of must in wine making; the first run of sap in a maple orchard. [1913 Webster]

4.  A course; a series; that which continues in a certain course or series; as, a run of good or bad luck. [1913 Webster]
"They who made their arrangements in the first run of misadventure . . . put a seal on their calamities." [1913 Webster]

5.  State of being current; currency; popularity. [1913 Webster]
"It is impossible for detached papers to have a general run, or long continuance, if not diversified with humor." [1913 Webster]

6.  Continued repetition on the stage; -- said of a play; as, to have a run of a hundred successive nights. [1913 Webster]
"A canting, mawkish play . . . had an immense run." [1913 Webster]

7.  A continuing urgent demand; especially, a pressure on a bank or treasury for payment of its notes. [1913 Webster]

8.  A range or extent of ground for feeding stock; as, a sheep run. Howitt. [1913 Webster]

9.  The aftermost part of a vessel's hull where it narrows toward the stern, under the quarter. [1913 Webster]

10.  A pleasure excursion; a trip. [1913 Webster]
"I think of giving her a run in London." [1913 Webster]

11.  The horizontal distance to which a drift may be carried, either by license of the proprietor of a mine or by the nature of the formation; also, the direction which a vein of ore or other substance takes. [1913 Webster]

12.  A roulade, or series of running tones. [1913 Webster]

13.  The greatest degree of swiftness in marching. It is executed upon the same principles as the double-quick, but with greater speed. [1913 Webster]

14.  The act of migrating, or ascending a river to spawn; -- said of fish; also, an assemblage or school of fishes which migrate, or ascend a river for the purpose of spawning. [1913 Webster]

15.  In baseball, a complete circuit of the bases made by a player, which enables him to score one point; also, the point thus scored; in cricket, a passing from one wicket to the other, by which one point is scored; as, a player made three runs; the side went out with two hundred runs; the Yankees scored three runs in the seventh inning. [1913 Webster]
"The “runs” are made from wicket to wicket, the batsmen interchanging ends at each run." [1913 Webster]

16.  A pair or set of millstones. [1913 Webster]

17.  A number of cards of the same suit in sequence; as, a run of four in hearts. [Webster 1913 Suppl.]

18.  The movement communicated to a golf ball by running. [Webster 1913 Suppl.]
"[Man] starts the inferior of the brute animals, but he surpasses them in the long run." [1913 Webster]
"I saw nothing else that is superior to the common run of parks." [1913 Webster]
"Burns never dreamed of looking down on others as beneath him, merely because he was conscious of his own vast superiority to the common run of men." [1913 Webster]
"His whole appearance was something out of the common run." [1913 Webster]

1.  Melted, or made from molten material; cast in a mold; as, run butter; run iron or lead. [1913 Webster]

2.  Smuggled; as, run goods. Miss Edgeworth. [1913 Webster]

run, v. & n.
--v. (running; past ran; past part. run)
1 intr. go with quick steps on alternate feet, never having both or all feet on the ground at the same time.
2 intr. flee, abscond.
3 intr. go or travel hurriedly, briefly, etc.
4 intr. a advance by or as by rolling or on wheels, or smoothly or easily. b be in action or operation (left the engine running).
5 intr. be current or operative; have duration (the lease runs for 99 years).
6 intr. (of a bus, train, etc.) travel or be travelling on its route (the train is running late).
7 intr. (of a play, exhibition, etc.) be staged or presented (is now running at the Apollo).
8 intr. extend; have a course or order or tendency (the road runs by the coast; prices are running high).
9 a intr. compete in a race. b intr. finish a race in a specified position. c tr. compete in (a race).
10 intr. (often foll. by for) seek election (ran for president).
11 a intr. (of a liquid etc. or its container) flow or be wet; drip. b tr. flow with.
12 tr. a cause (water etc.) to flow. b fill (a bath) with water.
13 intr. spread rapidly or beyond the proper place (ink ran over the table; a shiver ran down my spine).
14 intr. Cricket (of a batsman) run from one wicket to the other in scoring a run.
15 tr. traverse or make one's way through or over (a course, race, or distance).
16 tr. perform (an errand).
17 tr. publish (an article etc.) in a newspaper or magazine.
18 a tr. cause (a machine or vehicle etc.) to operate. b intr. (of a mechanism or component etc.) move or work freely.
19 tr. direct or manage (a business etc.).
20 tr. own and use (a vehicle) regularly.
21 tr. take (a person) for a journey in a vehicle (shall I run you to the shops?).
22 tr. cause to run or go in a specified way (ran the car into a tree).
23 tr. enter (a horse etc.) for a race.
24 tr. smuggle (guns etc.).
25 tr. chase or hunt.
26 tr. allow (an account) to accumulate for a time before paying.
27 intr. Naut. (of a ship etc.) go straight and fast.
28 intr. (of salmon) go up river from the sea.
29 intr. (of a colour in a fabric) spread from the dyed parts.
30 a intr. (of a thought, the eye, the memory, etc.) pass in a transitory or cursory way (ideas ran through my mind). b tr. cause (one's eye) to look cursorily (ran my eye down the page).
31 intr. (of hosiery) ladder.
32 intr. (of a candle) gutter.
33 intr. (of an orifice, esp. the eyes or nose) exude liquid matter.
34 tr. sew (fabric) loosely or hastily with running stitches.
35 tr. turn (cattle etc.) out to graze.
--n.
1 an act or spell of running.
2 a short trip or excursion, esp. for pleasure.
3 a distance travelled.
4 a general tendency of development or movement.
5 a rapid motion.
6 a regular route.
7 a continuous or long stretch or spell or course (a metre's run of wiring; had a run of bad luck).
8 (often foll. by on) a a high general demand (for a commodity, currency, etc.) (a run on the dollar). b a sudden demand for repayment by a large number of customers of (a bank).
9 a quantity produced in one period of production (a print run).
10 a general or average type or class (not typical of the general run).
11 a Cricket a point scored by the batsmen each running to the other's wicket, or an equivalent point awarded for some other reason. b Baseball a point scored usu. by the batter returning to the plate after touching the other bases.
12 (foll. by of) free use of or access to (had the run of the house).
13 a an animal's regular track. b an enclosure for fowls. c a range of pasture.
14 a ladder in hosiery.
15 Mus. a rapid scale passage.
16 a class or line of goods.
17 a batch or drove of animals born or reared together.
18 a shoal of fish in motion.
19 a trough for water to run in.
20 US a small stream or brook.
21 a a single journey, esp. by an aircraft. b (of an aircraft) a flight on a straight and even course at a constant speed before or while dropping bombs. c an offensive military operation.

Idiom:
at a (or the) run running. on the run
1 escaping, running away.
2 hurrying about from place to place.
run about
1 bustle; hurry from one person or place to another.
2 (esp. of children) play or wander without restraint.
run across
1 happen to meet.
2 (foll. by to) make a brief journey or a flying visit (to a place).
run after
1 pursue with attentions; seek the society of.
2 give much time to (a pursuit etc.).
3 pursue at a run. run against happen to meet. run along colloq. depart.
run around
1 Brit. take from place to place by car etc.
2 deceive or evade repeatedly.
3 (often foll. by with) sl. engage in sexual relations (esp. casually or illicitly). run-around n. (esp. in phr. give a person the run-around) deceit or evasion. run at attack by charging or rushing.
run away
1 get away by running; flee, abscond.
2 elope.
3 (of a horse) bolt.
run away with
1 carry off (a person, stolen property, etc.).
2 win (a prize) easily.
3 accept (a notion) hastily.
4 (of expense etc.) consume (money etc.).
5 (of a horse) bolt with (a rider, a carriage or its occupants). run a blockade see BLOCKADE.
run down
1 knock down or collide with.
2 reduce the strength or numbers of (resources).
3 (of an unwound clock etc.) stop.
4 (of a person or a person's health) become feeble from overwork or underfeeding.
5 discover after a search.
6 disparage.
run-down n.
1 a reduction in numbers.
2 a detailed analysis.
--adj.
1 decayed after prosperity.
2 enfeebled through overwork etc. run dry cease to flow, be exhausted. run for it seek safety by fleeing. a run (or a good run) for one's money 1 vigorous competition.
2 pleasure derived from an activity. run foul of collide or become entangled with (another vessel etc.). run the gauntlet see GAUNTLET(2). run a person hard (or close) press a person severely in a race or competition, or in comparative merit.
run high
1 (of the sea) have a strong current with a high tide.
2 (of feelings) be strong. run in 1 run (a new engine or vehicle) carefully in the early stages.
2 colloq. arrest.
3 (of a combatant) rush to close quarters.
4 incur (a debt).
run-in n.
1 the approach to an action or event.
2 a quarrel. run in the family (of a trait) be common in the members of a family.
run into
1 collide with.
2 encounter.
3 reach as many as (a specified figure).
4 fall into (a practice, absurdity, etc.).
5 be continuous or coalesce with. run into the ground colloq. bring (a person) to exhaustion etc. run it fine see FINE(1). run its course follow its natural progress; be left to itself. run low (or short) become depleted, have too little (our tea ran short; we ran short of tea).
run off
1 flee.
2 produce (copies etc.) on a machine.
3 decide (a race or other contest) after a series of heats or in the event of a tie.
4 flow or cause to flow away.
5 write or recite fluently.
6 digress suddenly.
run-off n.
1 an additional competition, election, race, etc., after a tie.
2 an amount of rainfall that is carried off an area by streams and rivers.
3 NZ a separate area of land where young animals etc. are kept. run off one's feet very busy. run-of-the-mill ordinary, undistinguished.
run on
1 (of written characters) be joined together.
2 continue in operation.
3 elapse.
4 speak volubly.
5 talk incessantly.
6 Printing continue on the same line as the preceding matter.
run out
1 come to an end; become used up.
2 (foll. by of) exhaust one's stock of.
3 put down the wicket of (a batsman who is running).
4 escape from a containing vessel.
5 (of rope) pass out; be paid out.
6 jut out.
7 come out of a contest in a specified position etc. or complete a required score etc. (they ran out worthy winners).
8 complete (a race).
9 advance (a gun etc.) so as to project.
10 exhaust oneself by running. run-out n. the dismissal of a batsman by being run out. run out on colloq. desert (a person).
run over
1 overflow.
2 study or repeat quickly.
3 (of a vehicle or its driver) pass over, knock down or crush.
4 touch (the notes of a piano etc.) in quick succession.
5 (often foll. by to) go quickly by a brief journey or for a flying visit. run ragged exhaust (a person). run rings round see RING(1). run riot see RIOT. run a (or the) risk see RISK. run the show colloq. dominate in an undertaking etc. run a temperature be feverish.
run through
1 examine or rehearse briefly.
2 peruse.
3 deal successively with.
4 consume (an estate etc.) by reckless or quick spending.
5 traverse.
6 pervade.
7 pierce with a sword etc.
8 draw a line through (written words).
run-through n.
1 a rehearsal.
2 a brief survey.
run to
1 have the money or ability for.
2 reach (an amount or number).
3 (of a person) show a tendency to (runs to fat).
4 a be enough for (some expense or undertaking). b have the resources or capacity for.
5 fall into (ruin).
run to earth
1 Hunting chase to its lair.
2 discover after a long search. run to meet anticipate (one's troubles etc.). run to seed see SEED.
run up
1 accumulate (a debt etc.) quickly.
2 build or make hurriedly.
3 raise (a flag).
4 grow quickly.
5 rise in price.
6 (foll. by to) amount to.
7 force (a rival bidder) to bid higher.
8 add up (a column of figures).
9 (foll. by to) go quickly by a brief journey or for a flying visit.
run-up n.
1 (often foll. by to) the period preceding an important event.
2 Golf a low approach shot. run up against meet with (a difficulty or difficulties). run upon (of a person's thoughts etc.) be engrossed by; dwell upon. run wild grow or stray unchecked or undisciplined or untrained.

Derivative:
runnable adj.

Etymology:
OE rinnan

N  habit, habitude, assuetude, assuefaction, wont, run, way, common state of things, general state of things, natural state of things, ordinary state of things, ordinary course of things, ordinary run of things, matter of course, beaten path, beaten track, beaten ground, prescription, custom, use, usage, immemorial usage, practice, prevalence, observance, conventionalism, conventionality, mode, fashion, vogue, etiquette, order of the day, cry, conformity, consuetude, dustoor, one's old way, old school, veteris vestigia flammae, laudator temporis acti, rule, standing order, precedent, routine, red-tape, red-tapism, pipe clay, rut, groove, cacoethes, bad habit, confirmed habit, inveterate habit, intrinsic habit, addiction, trick, training, seasoning, second nature, acclimatization, knack, habitual, accustomary, prescriptive, accustomed, of daily occurrence, of everyday occurrence, consuetudinary, wonted, usual, general, ordinary, common, frequent, everyday, household, garden variety, jog, trot, well-trodden, well-known, familiar, vernacular, trite, commonplace, conventional, regular, set, stock, established, stereotyped, prevailing, prevalent, current, received, acknowledged, recognized, accredited, of course, admitted, understood, conformable, according to use, according to custom, according to routine, in vogue, in fashion, in, with it, fashionable, wont, used to, given to, addicted to, attuned to, habituated, in the habit of, habitue, at home in, seasoned, imbued with, devoted to, wedded to, hackneyed, fixed, rooted, deep-rooted, ingrafted, permanent, inveterate, besetting, naturalized, ingrained, habitually, always, as usual, as is one's wont, as things go, as the world goes, as the sparks fly upwards, more suo, more solito, ex more, as a rule, for the most part, usually, generally, typically, most often, most frequently, cela s'entend, abeunt studia in mores, adeo in teneris consuescere multum est, consuetudo quasi altera natura, hoc erat in more majorum, How use doth breed a habit in a man!, magna est vis consuetudinis, morent fecerat usus.

N  generality, generalization, universality, catholicity, catholicism, miscellany, miscellaneousness, dragnet, common run, worldwideness, everyone, everybody, all hands, all the world and his wife, anybody, N or M, all sorts, prevalence, run, general, generic, collective, broad, comprehensive, sweeping, encyclopedical, widespread, universal, catholic, catholical, common, worldwide, ecumenical, oecumenical, transcendental, prevalent, prevailing, rife, epidemic, besetting, all over, covered with, Pan-American, Anglican, Pan-Hellenic, Pan-Germanic, slavic, panharmonic, every, all, unspecified, impersonal, customary, whatever, whatsoever, to a man, one and all, generally, always, for better for worse, in general, generally speaking, speaking generally, for the most part, in the long run.

N  repetition, iteration, reiteration, harping, recurrence, succession, run, battology, tautology, monotony, tautophony, rhythm, diffuseness, pleonasm, redundancy, chimes, repetend, echo, ritornello, burden of a song, refrain, rehearsal, rechauffe, rifacimento, recapitulation, cuckoo, reverberation, drumming, renewal, twice-told tale, old story, old song, second edition, new edition, reappearance, reproduction, recursion, periodicity, repeated, repetitional, repetitionary, recurrent, recurring, ever recurring, thick coming, frequent, incessant, redundant, pleonastic, monotonous, harping, iterative, recursive, unvaried, mocking, chiming, retold, aforesaid, aforenamed, above-mentioned, above-said, habitual, another, repeatedly, often, again, anew, over again, afresh, once more, ding-dong, ditto, encore, de novo, bis, da capo, again and again, over and over, over and over again, recursively, many times over, time and again, time after time, year after year, day by day, many times, several times, a number of times, many a time, full many a time, frequently, ecce iterum Crispinus, toujours perdrix, cut and come again, tomorrow and tomorrow and tomorrow, cantilenam eandem canis, nullum est jam dictum quod non dictum sit prius.

VB  elapse, lapse, flow, run, proceed, advance, pass, roll on, wear on, press on, flit, fly, slip, slide, glide, run its course, run out, expire, go by, pass by, be past.

VB  steal, thieve, rob, mug, purloin, pilfer, filch, prig, bag, nim, crib, cabbage, palm, abstract, appropriate, plagiarize, convey away, carry off, abduct, kidnap, crimp, make off with, walk off with, run off with, run away with, spirit away, seize, plunder, pillage, rifle, sack, loot, ransack, spoil, spoliate, despoil, strip, sweep, gut, forage, levy blackmail, pirate, pickeer, maraud, lift cattle, poach, smuggle, run, badger, bail up, hold up, stick up, bunco, bunko, filibuster, swindle, peculate, embezzle, sponge, mulct, rook, bilk, pluck, pigeon, fleece, defraud, obtain under false pretenses, live by one's wits, rob Peter to pay Paul, borrow of Peter to pay Paul, set a thief to catch a thief, disregard the distinction between meum and tuum, fence, launder, launder money.

N  continuance in action, continuance, continuation, run, perpetuation, prolongation, persistence, repetition, continuing, uninterrupted, unintermitting, unvarying, unshifting, unreversed, unstopped, unrevoked, unvaried, sustained, undying, inconvertible, Int, keep it up!, go to it!, right away!, right on!, attaboy!, nolumus leges Angliae mutari, vestigia nulla retrorsum, labitur et albetur.

VB  happen, occur, take place, take effect, come, become of, come off, comeabout, come round, come into existence, come forth, come to pass, come on, pass, present itself, fall, fall out, turn out, run, be on foot, fall in, befall, betide, bechance, prove, eventuate, draw on, turn up, crop up, spring up, pop up, arise, show up, show its face, appear, come forth, cast up, supervene, survene, issue, arrive, ensue, arise, start, hold, take its course, pass off, meet with, experience, enjoy, encounter, undergo, suffer, pass through, go through, be subjected to, be exposed to, fall to the lot of, be one's chance, be one's fortune, be one's lot, find, endure.

N  illegality, lawlessness, illicitness, breach of law, violation of law, infraction of the law, disobedience, unconformity, arbitrariness, antinomy, violence, brute force, despotism, outlawry, mob law, lynch law, club law, Lydford law, martial law, drumhead law, coup d'etat, le droit du plus fort, argumentum baculinum, illegality, informality, unlawfulness, illegitimacy, bar sinister, trover and conversion, smuggling, poaching, simony, outlaw, bad man, v, offend against the law, violate the law, infringe the law, break the law, set the law at defiance, ride roughshod over, drive a coach and six through a statute, ignore the law, make the law a dead letter, take the law into one's own hands, smuggle, run, poach, illegal, unlawful, illegitimate, not allowed, prohibited, illicit, contraband, actionable, unwarranted, unwarrantable, unauthorized, informal, unofficial, injudicial, extrajudicial, lawless, arbitrary, despotic, despotical, corrupt, summary, irresponsible, unanswerable, unaccountable, expired, invalid, unchartered, unconstitutional, null and void, a dead letter, lawless, unregulated, illegally, with a high hand, in violation of law.

N  motion, movement, move, going, unrest, stream, flow, flux, run, course, stir, evolution, kinematics, telekinesis, step, rate, pace, tread, stride, gait, port, footfall, cadence, carriage, velocity, angular velocity, clip, progress, locomotion, journey, voyage, transit, restlessness, mobility, movableness, motive power, laws of motion, mobilization, moving, in motion, transitional, motory, motive, shifting, movable, mobile, mercurial, unquiet, restless, nomadic, erratic, under way, on the move, on the wing, on the tramp, on the march, eppur si muove, es bildet ein Talent sich in der Stille, sich ein Charakter in dem Strom der Welt.

VB  be in motion, move, go, hie, gang, budge, stir, pass, flit, hover about, hover round, hover about, shift, slide, glide, roll, roll on, flow, stream, run, drift, sweep along, wander, walk, change one's place, shift one's place, change one's quarters, shift one's quarters, dodge, keep going, keep moving, put in motion, set in motion, move, impel, propel, render movable, mobilize.

N  navigation, aquatics, boating, yachting, ship, oar, paddle, screw, sail, canvas, aileron, natation, swimming, fin, flipper, fish's tail, aerostation, aerostatics, aeronautics, balloonery, balloon, ballooning, aviation, airmanship, flying, flight, volitation, wing, pinion, rocketry, space travel, astronautics, orbital mechanics, orbiting, voyage, sail, cruise, passage, circumnavigation, periplus, headway, sternway, leeway, fairway, mariner, flight, trip, shuttle, run, airlift, sailing, volant, aerostatic, seafaring, nautical, maritime, naval, seagoing, coasting, afloat, navigable, aerial, aeronautic, grallatory, under way, under sail, under canvas, under steam, on the wing, in flight, in orbit, bon voyage, spread the thin oar and catch the driving gale.

VB  render liquid, liquefy, run, deliquesce, melt, solve, dissolve, resolve, liquate, hold in solution, condense, precipitate, rain.

VB  flow, run, meander, gush, pour, spout, roll, jet, well, issue, drop, drip, dribble, plash, spirtle, trill, trickle, distill, percolate, stream, overflow, inundate, deluge, flow over, splash, swash, guggle, murmur, babble, bubble, purl, gurgle, sputter, spurt, spray, regurgitate, ooze, flow out, rain hard, rain in torrents, rain cats and dogs, rain pitchforks, pour with rain, drizzle, spit, set in, mizzle, flow into, fall into, open into, drain into, discharge itself, disembogue, pour, pour out, shower down, irrigate, drench, spill, splash, stanch, dam, up, obstruct.

bank run, battle of bull run, bombing run, bull run, chicken run, dry run, earned run, earned run average, end run, fowl run, fun run, home run, in the long run, long run, mine run, on the run, pit run, press run, print run, run a risk, run across, run afoul, run after, run against, run aground, run along, run amok, run around, run at, run away, run bases, run batted in, run by, run down, run dry, run for, run in, run into, run low, run off, run on, run out, run over, run ragged, run riot, run roughshod, run short, run the gauntlet, run through, run up, run wild, ski run, split run, trial run, unearned run