AskDefine | Define knock

Dictionary Definition



1 the sound of knocking (as on a door or in an engine or bearing); "the knocking grew louder" [syn: knocking]
2 negative criticism [syn: roast]
3 a vigorous blow; "the sudden knock floored him"; "he took a bash right in his face"; "he got a bang on the head" [syn: bash, bang, smash, belt]
4 a bad experience; "the school of hard knocks"
5 the act of hitting vigorously; "he gave the table a whack" [syn: belt, rap, whack, whang]


1 deliver a sharp blow or push :"He knocked the glass clear across the room" [syn: strike hard]
2 rap with the knuckles; "knock on the door"
3 knock against with force or violence; "My car bumped into the tree" [syn: bump]
4 make light, repeated taps on a surface; "he was tapping his fingers on the table impatiently" [syn: tap, rap, pink]
5 sound like a car engine that is firing too early; "the car pinged when I put in low-octane gasoline"; "The car pinked when the ignition was too far retarded" [syn: pink, ping]
6 find fault with; express criticism of; point out real or perceived flaws; "The paper criticized the new movie"; "Don't knock the food--it's free" [syn: criticize, criticise, pick apart] [ant: praise]

User Contributed Dictionary



  • /nɒk/
  • /nAk/
  • Rhymes: -ɒk


  1. An abrupt rapping sound, as from an impact of a hard object against wood
    I heard a knock on my door.
  2. An impact.
    He took a knock on the head.
  3. a batsman's innings.
    He played a slow but sure knock of 35.


an abrupt rapping sound
  • Dutch: kloppen, aankloppen
  • Finnish: koputus
  • German: Klopfen
  • Indonesian: ketokan
  • Portuguese: batida
  • Swedish: knackning
  • Welsh: cnoc
an impact


  1. To rap one's knuckles against something, especially wood.
    Knock on the door and find out if they're home.
  2. To bump or impact.
    I knocked against the table and bruised my leg.
  3. To denigrate, undervalue.
    Don't knock it until you've tried it.


to rap one's knuckles against something
  • Dutch: kloppen, aankloppen
  • Finnish: koputtaa
  • French: frapper
  • German: klopfen
  • Indonesian: ketok
  • Lithuanian: pasibelsti
  • Norwegian: banke
  • Portuguese: bater
  • Slovenian: potrkati, trkati
  • Swedish: knacka
  • Vietnamese: gõ
  • Welsh: cnocio
to bump or impact

Extensive Definition


Knock is a place-name found in a number of countries.

United Kingdom


Knock may also refer to:
knock in German: Knock
knock in French: Knock
knock in Ido: Knock
knock in Italian: Knock
knock in Japanese: ノック

Synonyms, Antonyms and Related Words

KO, abuse, adverse criticism, animadversion, arouse, aspersion, associate with, astonish, astound, awaken, bad notices, bad press, bang, bang into, bash, baste, bat, batter, beat, beat up, beating, belt, bewilder, biff, blame, blow, bob, bonk, bop, bowl over, buffet, bump, bump into, burst, bust, cannon, captiousness, carom, carom into, carp at, carping, cavil, caviling, censoriousness, censure, chop, clap, clash, clip, clobber, clock out, close down, clout, clump, coldcock, collide, come into collision, complete, concuss, condemn, condemnation, confront each other, conk, consort with, copy, crack, crack up, crash, crash into, criticism, criticize, crump, crunch, cuff, cut, cut down, dash, dash into, daze, deal, deal a blow, debate, deck, demolish, denounce, denunciate, deprecate, destroy, dig, dint, discuss, disparage, drub, drubbing, drumming, encounter, exception, fall foul of, faultfinding, fell, fetch, fetch a blow, finish, flail, flak, flap, flatten, floor, flop, foul, fusillade, gad about, get with child, go home, hairsplitting, hammer, hammering, hit, hit a clip, hit against, home thrust, hostile criticism, hurt, hurtle, hypercriticalness, hypercriticism, imitate, impinge, impregnate, improvise, imputation, insult, jab, kayo, kill, knock about, knock against, knock around, knock cold, knock down, knock off, knock out, knock over, knock together, knock unconscious, knock up, lambaste, larrup, lay in ruins, left, let have it, level, lick, lift, lock up, maltreat, manhandle, maul, meet, mistreat, nagging, nick, niggle, niggling, nit, nit-picking, obloquy, overcome, overcriticalness, overwhelm, pan, paste, patter, pelt, percuss, pestering, pettifogging, pilfer, pinch, plunk, poke, polish off, pommel, pound, pounding, priggishness, prostrate, pull down, pulverize, pummel, punch, put down, put together, quibble, quibbling, quit, ramble, rap, raze, reflection, report, reprehend, reproachfulness, reprobate, right, roam, rob, rove, run down, run into, sideswipe, skin, slam, slam into, slap, slat, sledgehammer, slog, slug, slur, smack, smack into, smash, smash into, smash up, smite, snap, snipe at, soak, sock, spank, splat, stagger, steal, stricture, strike, strike against, strike at, stroke, stun, swap, swat, swing, swipe, taking exception, talk over, tap, tattoo, terminate, thieve, thrash, thresh, throw down, thump, thwack, travel, trichoschistism, trounce, tunk, wake up, wallop, wander, whack, wham, whap, whip, whomp, whop, wipe, wreck, yerk
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