1.  plug(n = noun.artifact) stopper, stopple - blockage consisting of an object designed to fill a hole tightly; Array
is a kind of block, blockage, closure, occlusion, stop, stoppage
has particulars: bung, spile, bottle cork, cork, drainplug, earplug, fipple, tampion, tompion, tampon, spigot, tap
Derived form verb plug₁

2.  plug(n = noun.food) chaw, chew, cud, quid, wad - a wad of something chewable as tobacco; Array
is a kind of bit, bite, morsel

3.  plug(n = noun.communication) ballyhoo, hoopla, hype - blatant or sensational promotion; Array
is a kind of packaging, promotion, promotional material, publicity
Derived form verb plug₄

4.  plug(n = noun.artifact) spark plug, sparking plug - electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark; Array
is a kind of electrical device
is a part of ignition, ignition system

5.  plug(n = noun.artifact) male plug - an electrical device with two or three pins that is inserted in a socket to make an electrical connection; Array
is a kind of electrical device
has particulars: phone plug, telephone plug

6.  plug(n = noun.artifact) fire hydrant, fireplug - an upright hydrant for drawing water to use in fighting a fire; Array
is a kind of hydrant

7.  plug(n = noun.animal) hack, jade, nag - an old or over-worked horse; Array
is a kind of equus caballus, horse

1.  plug(v = verb.contact) secure, stop up - fill or close tightly with or as if with a plug; "plug the hole"; "stop up the leak"
is one way to close, fill up
Derived form noun plug₁
Sample sentences: Somebody ----s something; Something ----s something

2.  plug(v = verb.change) plug away - persist in working hard; "Students must plug away at this problem"
is one way to hang in, hang on, hold on, persevere, persist
Sample sentences: Something ----s

3.  plug(v = verb.contact) punch - deliver a quick blow to; "he punched me in the stomach"
is one way to hit
Sample sentences: Sam and Sue plug the movie

4.  plug(v = verb.communication) Array - make a plug for; praise the qualities or in order to sell or promote; Array
is one way to advertise, advertize, promote, push
Derived forms noun plug₃, noun plugger₁
Sample sentences: Sam and Sue plug the movie

5.  plug(v = verb.change) Array - insert a plug into; "plug the wall"
is one way to enclose, inclose, insert, introduce, put in, stick in
Sample sentences: Somebody ----s something

6.  plug(v = verb.change) Array - insert as a plug; "She plugged a cork in the wine bottle"
is one way to enclose, inclose, insert, introduce, put in, stick in
Sample sentences: Somebody ----s something PP

1.  Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple. [1913 Webster]

2.  A flat oblong cake of pressed tobacco. [1913 Webster]

3.  A high, tapering silk hat. [1913 Webster]

4.  A worthless horse. [1913 Webster]

5.  A block of wood let into a wall, to afford a hold for nails. [1913 Webster]

   To stop with a plug; to make tight by stopping a hole. [1913 Webster]

plug, n. & v.
--n.
1 a piece of solid material fitting tightly into a hole, used to fill a gap or cavity or act as a wedge or stopper.
2 a a device of metal pins in an insulated casing fitting into holes in a socket for making an electrical connection, esp. between an appliance and the mains. b colloq. an electric socket.
3 = sparking-plug (see SPARK(1)).
4 colloq. a piece of (often free) publicity for an idea, product, etc.
5 a mass of solidified lava filling the neck of a volcano.
6 a cake or stick of tobacco; a piece of this for chewing.
7 = fire-plug.
--v. (plugged, plugging)
1 tr. (often foll. by up) stop (a hole etc.) with a plug.
2 tr. sl. shoot or hit (a person etc.).
3 tr. colloq. seek to popularize (an idea, product, etc.) by constant recommendation.
4 intr. colloq. (often foll. by at) work steadily away (at).

Idiom:
plug in connect electrically by inserting a plug in a socket. plug-in adj. able to be connected by means of a plug. plug-ugly US sl. n. (pl. -ies) a thug or ruffian.
--adj. villainous-looking.

Derivative:
plugger n.

Etymology:
MDu. & MLG plugge, of unkn. orig.

N  deterioration, debasement, wane, ebb, recession, retrogradation, decrease, degeneracy, degeneration, degenerateness, degradation, depravation, depravement, devolution, depravity, demoralization, retrogression, masochism, impairment, inquination, injury, damage, loss, detriment, delaceration, outrage, havoc, inroad, ravage, scath, perversion, prostitution, vitiation, discoloration, oxidation, pollution, defoedation, poisoning, venenation, leaven, contamination, canker, corruption, adulteration, alloy, decline, declension, declination, decadence, decadency, falling off, caducity, decrepitude, decay, dilapidation, ravages of time, wear and tear, corrosion, erosion, moldiness, rottenness, moth and rust, dry rot, blight, marasmus, atrophy, collapse, disorganization, delabrement (destruction), aphid, Aphis, plant louse, puceron, vinefretter, vinegrub, wreck, mere wreck, honeycomb, magni nominis umbra, jade, plug, rackabones, skate, tackey, tacky, have seen better days, deteriorate, degenerate, fall off, wane, ebb, retrograde, decline, droop, go down, go downhill, go from bad to worse, go farther and fare worse, jump out of the frying pan into the fire, run to seed, go to seed, run to waste swale, sweal, lapse, be the worse for, sphacelate: break, break down, spring a leak, crack, start, shrivel, fade, go off, wither, molder, rot, rankle, decay, go bad, go to decay, fall into decay, fall into the sear and yellow leaf, rust, crumble, shake, totter, totter to its fall, perish, die, deteriorate, weaken, put back, set back, taint, infect, contaminate, poison, empoison, envenom, canker, corrupt, exulcerate, pollute, vitiate, inquinate, debase, embase, denaturalize, denature, leaven, deflower, debauch, defile, deprave, degrade, ulcerate, stain, discolor, alloy, adulterate, sophisticate, tamper with, prejudice, pervert, prostitute, demoralize, brutalize, render vicious, embitter, acerbate, exacerbate, aggravate, injure, impair, labefy, damage, harm, hurt, shend, scath, scathe, spoil, mar, despoil, dilapidate, waste, overrun, ravage, pillage, wound, stab, pierce, maim, lame, surbate, cripple, hough, hamstring, hit between wind and water, scotch, mangle, mutilate, disfigure, blemish, deface, warp, blight, rot, corrode, erode, wear away, wear out, gnaw, gnaw at the root of, sap, mine, undermine, shake, sap the foundations of, break up, disorganize, dismantle, dismast, destroy, damnify, do one's worst, knock down, deal a blow to, play havoc with, play sad havoc with, play the mischief with, play the deuce with, play the very devil with, play havoc among, play sad havoc among, play the mischief among, play the deuce among, play the very devil among, decimate, Adj, unimproved &c (improve), deteriorated, altered, altered for the worse, injured, sprung, withering, spoiling, on the wane, on the decline, tabid, degenerate, marescent, worse, the worse for, all the worse for, out of repair, out of tune, imperfect, the worse for wear, battered, weathered, weather-beaten, stale, passe, shaken, dilapidated, frayed, faded, wilted, shabby, secondhand, threadbare, worn, worn to a thread, worn to a shadow, worn to the stump, worn to rags, reduced, reduced to a skeleton, far gone, tacky, decayed, moth-eaten, worm-eaten, mildewed, rusty, moldy, spotted, seedy, time-worn, moss-grown, discolored, effete, wasted, crumbling, moldering, rotten, cankered, blighted, tainted, depraved, decrepid, decrepit, broke, busted, broken, out of commission, hors de combat, out of action, broken down, done, done for, done up, worn out, used up, finished, beyond saving, fit for the dust hole, fit for the wastepaper basket, past work, at a low ebb, in a bad way, on one's last legs, undermined, deciduous, nodding to its fall, tottering, past cure, fatigued, retrograde, deleterious, out of the frying pan into the fire, agrescit medendo, what a falling off was there!.

VB  close, occlude, plug, block up, stop up, fill up, bung up, cork up, button up, stuff up, shut up, dam up, blockade, obstruct, bar, bolt, stop, seal, plumb, choke, throttle, ram down, dam, cram, trap, clinch, put to the door, shut the door.

N  stopper, stopple, plug, cork, bung, spike, spill, stopcock, tap, rammer, ram, ramrod, piston, stop-gap, wadding, stuffing, padding, stopping, dossil, pledget, tompion, tourniquet, cover, valve, vent peg, spigot, slide valve, janitor, doorkeeper, porter, warder, beadle, cerberus, ostiary.

N  impulse, sudden thought, impromptu, improvisation, inspiration, flash, spurt, improvisatore, creature of impulse, extemporaneous, impulsive, indeliberate, snap, improvised, improvisate, improvisatory, unpremeditated, unmeditated, improvise, unprompted, unguided, natural, unguarded, spontaneous, instinctive, extempore, extemporaneously, offhand, impromptu, a limproviste, improviso, on the spur of the moment, on the spur of the occasion, impulse, impulsion, impetus, momentum, push, pulsion, thrust, shove, jog, jolt, brunt, booming, boost, throw, explosion, propulsion, percussion, concussion, collision, occursion, clash, encounter, cannon, carambole, appulse, shock, crash, bump, impact, elan, charge, beating, blow, dint, stroke, knock, tap, rap, slap, smack, pat, dab, fillip, slam, bang, hit, whack, thwack, cuff, squash, dowse, swap, whap, punch, thump, pelt, kick, punce, calcitration, ruade, arietation, cut, thrust, lunge, yerk, carom, carrom, clip, jab, plug, sidewinder, sidewipe, sideswipe, hammer, sledge hammer, mall, maul, mallet, flail, ram, rammer, battering ram, monkey, pile-driving engine, punch, bat, cant hook, cudgel, ax, dynamics, seismometer, accelerometer, earthquake detector, impelling, impulsive, impellent, booming, dynamic, dynamical, impelled, a hit, a very palpable hit.

VB  flash on the mind, say what comes uppermost, improvise, extemporize, give an impetus, impel, push, start, give a start to, set going, drive, urge, boom, thrust, prod, foin, cant, elbow, shoulder, jostle, justle, hustle, hurtle, shove, jog, jolt, encounter, run against, bump against, butt against, knock one's head against, run one's head against, impinge, boost, bunt, carom, clip y, fan, fan out, jab, plug, strike, knock, hit, tap, rap, slap, flap, dab, pat, thump, beat, blow, bang, slam, dash, punch, thwack, whack, hit hard, strike hard, swap, batter, dowse, baste, pelt, patter, buffet, belabor, fetch one a blow, poke at, pink, lunge, yerk, kick, calcitrate, butt, strike at, whip, come into a collision, enter into collision, collide, sideswipe, foul, fall foul of, run foul of, telescope, throw.

fuse plug, fuze plug, male plug, phone plug, plug away, plug board, plug fuse, plug hat, plug in, plug ugly, pull the plug, spark plug, sparking plug, telephone plug, wall plug