1.  To go; to fare. [1913 Webster]
"To warn him now he is too farre sped." [1913 Webster]

2.  To experience in going; to have any condition, good or ill; to fare. Shak. [1913 Webster]
"Ships heretofore in seas like fishes sped;
The mightiest still upon the smallest fed." [1913 Webster]

3.  To fare well; to have success; to prosper. [1913 Webster]
"Save London, and send true lawyers their meed!
For whoso wants money with them shall not speed!" [1913 Webster]
"I told ye then he should prevail, and speed
On his bad errand." [1913 Webster]

4.  To make haste; to move with celerity. [1913 Webster]
"I have speeded hither with the very extremest inch of possibility." [1913 Webster]

5.  To be expedient. Wyclif (2 Cor. xii. 1.) [1913 Webster]

1.  To cause to be successful, or to prosper; hence, to aid; to favor. Shak. [1913 Webster]
"With rising gales that speed their happy flight." [1913 Webster]

2.  To cause to make haste; to dispatch with celerity; to drive at full speed; hence, to hasten; to hurry. [1913 Webster]
"He sped him thence home to his habitation." [1913 Webster]

3.  To hasten to a conclusion; to expedite. [1913 Webster]
"Judicial acts . . . are sped in open court at the instance of one or both of the parties." [1913 Webster]

4.  To hurry to destruction; to put an end to; to ruin; to undo. Shak. [1913 Webster]
"A dire dilemma! either way I 'm sped.
If foes, they write, if friends, they read, me dead." [1913 Webster]

5.  To wish success or god fortune to, in any undertaking, especially in setting out upon a journey. [1913 Webster]
"Welcome the coming, speed the parting guest." [1913 Webster]

speed, n. & v.
--n.
1 rapidity of movement (with all speed; at full speed).
2 a rate of progress or motion over a distance in time (attains a high speed).
3 a a gear appropriate to a range of speeds of a bicycle. b US or archaic such a gear in a motor vehicle.
4 Photog. a the sensitivity of film to light. b the light-gathering power of a lens. c the duration of an exposure.
5 sl. an amphetamine drug, esp. methamphetamine.
6 archaic success, prosperity (send me good speed).
--v. (past and past part. sped)
1 intr. go fast (sped down the street).
2 (past and past part. speeded) a intr. (of a motorist etc.) travel at an illegal or dangerous speed. b tr. regulate the speed of (an engine etc.). c tr. cause (an engine etc.) to go at a fixed speed.
3 tr. send fast or on its way (speed an arrow from the bow).
4 intr. & tr. archaic be or make prosperous or successful (how have you sped?; God speed you!).

Idiom:
at speed moving quickly. speed bump (or hump) a transverse ridge in the road to control the speed of vehicles. speed limit the maximum speed at which a road vehicle may legally be driven in a particular area etc. speed merchant colloq. a motorist who enjoys driving fast. speed up move or work at greater speed. speed-up n. an increase in the speed or rate of working.

Derivative:
speeder n.

Etymology:
OE sped, spedan f. Gmc

VB  be active, busy oneself in, stir, stir about, stir one's stumps, bestir oneself, rouse oneself, speed, hasten, peg away, lay about one, bustle, fuss, raise up, kick up a dust, push, make a push, make a fuss, make a stir, go ahead, push forward, fight one's way, elbow one's way, make progress, toll, plod, persist, keep up the ball, keep the pot boiling, look sharp, have all one's eyes about one, rise, arouse oneself, hustle, get up early, be about, keep moving, steal a march, kill two birds with one stone, seize the opportunity, lose no time, not lose a moment, make the most of one's time, not suffer the grass to grow under one's feet, improve the shining hour, make short work of, dash off, make haste, do one's best take pains, do wonders, work wonders, have many irons in the fire, have one's hands full, have much on one's hands, have other things to do, have other fish to fry, be busy, not have a moment to spare, not have a moment that one can call one's own, have one's fling, run the round of, go all lengths, stick at nothing, run riot, outdo, overdo, overact, overlay, overshoot the mark, make a toil of a pleasure, have a hand in, take an active part, put in one's oar, have a finger in the pie, mix oneself up with, trouble, one's head about, intrigue, agitate, tamper with, meddle, moil, intermeddle, interfere, interpose, obtrude, poke one's nose in, thrust one's nose in.

N  haste, urgency, despatch, dispatch, acceleration, spurt, spirt, forced march, rush, dash, speed, velocity, precipitancy, precipitation, precipitousness, impetuosity, brusquerie, hurry, drive, scramble, bustle, fuss, fidget, flurry, flutter, splutter, hasty, hurried, brusque, scrambling, cursory, precipitate, headlong, furious, boisterous, impetuous, hotheaded, feverish, fussy, pushing, in haste, in a hurry, in hot haste, in all haste, breathless, pressed for time, hard pressed, urgent, with haste, with all haste, with breathless speed, in haste, apace, amain, all at once, at short notice, immediately, posthaste, by cable, by express, by telegraph, by forced marches, hastily, precipitately, helter-skelter, hurry-skurry, holus-bolus, slapdash, slap-bang, full-tilt, full drive, heels over head, head and shoulders, headlong, a corps perdu, by fits and starts, by spurts, hop skip and jump, sauve qui peut, every man for himself, devil take the hindmost, no time to be lost, no sooner said than done, a word and a blow, haste makes waste, maggiore fretta minore atto, ohne Hast aber ohne Rast stand not upon the order, swift, swift, you dragons of the night.

VB  aid, assist, help, succor, lend one's aid, come to the aid, of, contribute, subscribe to, bring aid, give aid, furnish aid, afford aid, supply aid, give a helping hand, stretch a hand, lend a helping hand, lend a hand, bear a helping hand, hold out a hand, hold out a helping hand, give one a life, give one a cast, give one a turn, take by the hand, take in tow, help a lame dog over a stile, lend wings to, relieve, rescue, set up, set agoing, set on one's legs, bear through, pull through, give new life to, be the making of, reinforce, reenforce, recruit, set forward, put forward, push forward, give a lift, give a shove, give an impulse to, promote, further, forward, advance expedite, speed, quicken, hasten, support, sustain, uphold, prop, hold up, bolster, cradle, nourish, nurture, nurse, dry nurse, suckle, put out to nurse, manure, cultivate, force, foster, cherish, foment, feed the flame, fan the flame, serve, do service to, tender to, pander to, administer to, subminister to, minister to, tend, attend, wait on, take care of, entertain, smooth the bed of death, oblige, accommodate, consult the wishes of, humor, cheer, encourage, second, stand by, back, back up, pay the piper, abet, work for, make interest for, stick up for, take up the cudgels for, take up the cause of, espouse the cause of, adopt the cause of, advocate, beat up for recruits, press into the service, squire, give moral support to, keep in countenance, countenance, patronize, lend oneself to, lend one's countenance to, smile upon, shine upon, favor, befriend, take in hand, enlist under the banners of, side with, be of use to, subserve, benefit, render a service, conduce.

N  success, successfulness, speed, advance, trump card, hit, stroke, score, lucky hit, fortunate hit, good hit, good stroke, direct hit, bull's eye, goal, point, touchdown, home run, homer, hole-in-one, grand slam, killing, windfall bold stroke, master stroke, ten strike, coup de maitre, checkmate, half the battle, prize, profit, continued success, good fortune, time well spent, advantage over, upper hand, whip hand, ascendancy, mastery, expugnation, conquest, victory, subdual, subjugation, triumph, proficiency, conqueror, victor, winner, master of the situation, master of the position, top of the heap, king of the hill, achiever, success, success story, succeeding, successful, prosperous, triumphant, flushed with success, crowned with success, victorious, on top, set up, in the ascendant, unbeaten (beat), well-spent, felicitous, effective, in full swing, successfully, well flying colors, in triumph, swimmingly, a merveille, beyond all hope, to some purpose, to good purpose, to one's heart's content, veni vidi vici, the day being one's own, one's star in the ascendant, omne tulit punctum, bis vincit qui se vincit in victoria, cede repugnanti cedendo victor abibis, chacun est l'artisan de sa fortune, dies faustus, l'art de vaincre est celui de mepriser la mort, omnia vincit amor, love conquers all, peace hath her victories no less renowned than war, the race by vigor not by vaunts is won, vincit qui patitur, vincit qui se vincit, The race is not always to the swift, nor the battle to the strong, but that's the way to bet.

VB  succeed, be successful, gain one's end, gain one's ends, crown with success, gain a point, attain a point, carry a point, secure a point, win a point, win an object, get there, manage to, contrive to, accomplish, do wonders, work wonders, make a go of it, come off well, come off successful, come off with flying colors, make short work of, take by storm, carry by storm, bear away the bell, win one's wings, win one's spurs, win the battle, win the day, carry the day, gain the day, gain the prize, gain the palm, have the best of it, have it all one's own way, have the game in one's owns hands, have the ball at one's feet, have one on the hop, walk over the course, carry all before one, remain in possession of the field, score a success, speed, make progress, win one's way, make one's way, work one's way, find one's way, strive to some purpose, prosper, drive a roaring trade, make profit, reap the fruits, gather the fruits, reap the benefit of, reap the harvest, strike oil, gain a windfall, make one's fortune, get in the harvest, turn to good account, turn to account, triumph, be triumphant, gain a victory, obtain a victory, gain an advantage, chain victory to one's car, nail a coonskin to the wall, surmount a difficulty, overcome a difficulty, get over a difficulty, get over an obstacle, se tirer d'affaire, make head against, stem the torrent, stem the tide, stem the current, weather the storm, weather a point, turn a corner, keep one's head above water, tide over, master, get the better of, have the better of, gain the better of, gain the best of, gain the upper hand, gain the ascendancy, gain the whip hand, gain the start of, distance, surpass, defeat, conquer, vanquish, discomfit, euchre, overcome, overthrow, overpower, overmaster, overmatch, overset, override, overreach, outwit, outdo, outflank, outmaneuver, outgeneral, outvote, take the wind out of one's adversary's sails, beat, beat hollow, rout, lick, drub, floor, worst, put down, put to flight, put to the rout, put hors de combat, put out of court, silence, quell, nonsuit, checkmate, upset, confound, nonplus, stalemate, trump, baffle, circumvent, elude, trip up, trip up the heels of, drive into a corner, drive to the wall, run hard, put one's nose out of joint, settle, do for, break the neck of, break the back of, capsize, sink, shipwreck, drown, swamp, subdue, subjugate, reduce, make the enemy bite the dust, victimize, roll in the dust, trample under foot, put an extinguisher upon, answer, answer the purpose, avail, prevail, take effect, do, turn out well, work well, take, tell, bear fruit, hit it, hit the mark, hit the right nail on the head, nick it, turn up trumps, make a hit, find one's account in.

N  velocity, speed, celerity, swiftness, rapidity, eagle speed, expedition, pernicity, acceleration, haste, spurt, rush, dash, race, steeple chase, smart rate, lively rate, swift rate, rattling rate, spanking rate, strapping rate, smart pace, lively pace, swift pace, rattling pace, spanking pace, strapping pace, round pace, flying, flight, lightning, greased lightning, light, electricity, wind, cannon ball, rocket, arrow, dart, hydrargyrum, quicksilver, telegraph, express train, torrent, eagle, antelope, courser, race horse, gazelle, greyhound, hare, doe, squirrel, camel bird, chickaree, chipmunk, hackee, ostrich, scorcher, Mercury, Ariel, Camilla, Harlequin, log, log line, speedometer, odometer, tachometer, strobe, radar speed detector, radar trap, air speed gauge, wind sock, wind speed meter, pedometer, fast, speedy, swift, rapid, quick, fleet, aliped, nimble, agile, expeditious, express, active, flying, galloping, light footed, nimble footed, winged, eagle winged, mercurial, electric, telegraphic, light-legged, light of heel, swift as an arrow, quick as lightning, quick as a thought, swiftly, with speed, apace, at a great rate, at full speed, at railway speed, full drive, full gallop, posthaste, in full sail, tantivy, trippingly, instantaneously, under press of sail, under press of canvas, under press of sail and steam, velis et remis, on eagle's wing, in double quick time, with rapid strides, with giant strides, a pas de geant, in seven league boots, whip and spur, ventre a terre, as fast as one's legs will carry one, as fast as one's heels will carry one, as fast as one can lay legs to the ground, at the top of one's speed, by leaps and bounds, with haste, vires acquirit eundo, I'll put a girdle about the earth in forty minutes, swifter than arrow from the Tartar's bow, go like a bat out of hell, tempus fugit.

VB  move quickly, trip, fisk, speed, hie, hasten, post, spank, scuttle, scud, scuddle, scour, scour the plain, scamper, run like mad, beat it, fly, race, run a race, cut away, shot, tear, whisk, zoom, swoosh, sweep, skim, brush, cut along, bowl along, barrel along, barrel, scorch, burn up the track, rush, dash on, dash off, dash forward, bolt, trot, gallop, amble, troll, bound, flit, spring, dart, boom, march in quick time, march in double time, ride hard, get over the ground, hurry, accelerate, put on, quicken, quicken one's pace, mend one's pace, clap spurs to one's horse, make haste, make rapid strides, make forced marches, make the best of one's way, put one's best leg foremost, stir one's stumps, wing one's way, set off at a score, carry sail, crowd sail, go off like a shot, go like a shot, go ahead, gain ground, outstrip the wind, fly on the wings of the wind, keep up with, keep pace with, outstrip, outmarch.

N  intemperance, sensuality, animalism, carnality, tragalism, pleasure, effeminacy, silkiness, luxury, luxuriousness, lap of pleasure, lap of luxury, free living, indulgence, high living, wild living, inabstinence, self- indulgence, voluptuousness, epicurism, epicureanism, sybaritism, drug habit, dissipation, licentiousness, debauchery, crapulence, revels, revelry, debauch, carousal, jollification, drinking bout, wassail, saturnalia, orgies, excess, too much, Circean cup, bhang, hashish, marijuana, pot, hemp, grass, opium, cocaine, morphine, heroin, LSD, lysergic acid diethylamide, phencyclidine, angel dust, PCP, barbiturates, amphetamines, speed, intemperate, inabstinent, sensual, self-indulgent, voluptuous, luxurious, licentious, wild, dissolute, rakish, fast, debauched, brutish, crapulous, swinish, piggish, Paphian, Epicurean, Sybaritical, bred in the lap of luxury, nursed in the lap of luxury, indulged, pampered, full-fed, high-fed, being full of supper and distempering draughts.

air speed, execution speed, light speed, speed bump, speed cop, speed counter, speed demon, speed freak, speed indicator, speed limit, speed of light, speed of sound, speed skate, speed skater, speed skating, speed trap, speed up, warp speed