knock down

• POS: Adjective, Verb (transitive)

CIDE DICTIONARY

knock down, n. 

•  To strike down; to fell; to prostrate by a blow or by blows; as, to knock down an assailant.  [1913 Webster]
•  To assign to a bidder at an auction, by a blow or knock of the auctioneer's hammer; to sell at an auction; as, the vase was knocked down at two thousand dollars.  [1913 Webster]
•  To take apart; to dissassemble; as, to knock down a rifle for cleaning.  [PJC]
•  To reduce or discount the price of; as, the dresses were knocked down to twenty dollars.  [PJC]
•  To earn (an income).  [PJC]

THESAURUS

knock down

auction, auction off, auctioneer, bang, bash, bat, beat down, belittle, belt, biff, blow down, blow over, bonk, bowl down, bowl over, break down, bring down, bring into discredit, bring low, bulldog, bulldoze, burn down, cast down, chop down, clap, clip, clobber, clout, clump, coldcock, crack, crush, cry down, cut, cut down, damp, dampen, dampen the spirits, darken, dash, dash down, deal, deal a blow, debase, deck, decry, degrade, deject, demoralize, depreciate, depress, derogate from, detract from, disapprove of, discourage, discredit, disgrace, dishearten, disparage, dispirit, down, drop, fell, fetch, fetch a blow, fetch down, flatten, floor, ground, hew down, hit, hit a clip, hold in contempt, jab, knock, knock cold, knock out, knock over, lay, lay level, lay low, lay out, let have it, level, lower, lower the spirits, make little of, minimize, mow down, oppress, overcome, paste, plunk, poke, precipitate, press down, prostrate, psych out, pull down, punch, put down, rase, raze, reflect discredit upon, run down, sadden, sell by auction, send headlong, shake, sink, slam, slight, slog, slug, smack, smash, smite, snap, soak, sock, speak ill of, spread-eagle, steamroller, strike, strike at, submit to indignity, supinate, swat, swipe, take down, tear down, throw, throw down, thump, thwack, topple, trip, tumble, unbrace, undo, unman, unnerve, unstring, upset, wallop, weigh heavy upon, weigh upon, whack, whack down, wham, whop, win, yerk

ROGET THESAURUS

knock down

Deterioration

VB be worse, be deteriorated, become worse, become deteriorated Adj, 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.

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!.

Dejection

VB be dejected, grieve, mourn, take on, give way, lose heart, despond, droop, sink, lower, look downcast, frown, pout, hang down the head, pull a long face, make a long face, laugh on the wrong side of the mouth, grin a ghastly smile, look blue, look like a drowned man, lay to heart, take to heart, mope, brood over, fret, sulk, pine, pine away, yearn, repine, despair, refrain from laughter, keep one's countenance, be grave, look grave, repress a smile, depress, discourage, dishearten, dispirit, damp, dull, deject, lower, sink, dash, knock down, unman, prostrate, break one's heart, frown upon, cast a gloom, cast a shade on, sadden, damp one's hopes, dash one's hopes, wither one's hopes, weigh on the mind, lie heavy on the mind, prey on the mind, weigh on the spirits, lie heavy on the spirits, prey on the spirits, damp the spirits, depress the spirits.

Horizontality

VB be horizontal, lie, recline, couch, lie down, lie flat, lie prostrate, sprawl, loll, sit down, render horizontal, lay down, lay out, level, flatten, prostrate, knock down, floor, fell.

Depression

VB depress, lower, let down, take down, let down a peg, take down a peg, cast, let drop, let fall, sink, debase, bring low, abase, reduce, detrude, pitch, precipitate, overthrow, overturn, overset, upset, subvert, prostate, level, fell, cast down, take down, throw down, fling down, dash down, pull down, cut down, knock down, hew down, raze, raze to the ground, rase to the ground, trample in the dust, pull about one's ears, sit, sit down, couch, squat, crouch, stoop, bend, bow, courtesy, curtsy, bob, duck, dip, kneel, bend the knee, bow the knee, bend the head, bow the head, cower, recline.