1 Verb (used without object)2 Verb (used with object)3 Noun4 Verb phrases5 Idioms6 Synonyms

Verb (used without object)

to strike a sounding blow with the fist, knuckles, or anything hard, esp. on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal to knock on the door before entering. to strike in collision; bump He knocked into a table. to make a pounding noise The engine of our car is knocking badly. Informal . to engage in trivial or carping criticism; find fault. Cards . to end a game, as in gin rummy, by laying down a hand in which those cards not included in sets total less than a specific amount.

Verb (used with object)

to give a sounding or forcible blow to; hit; strike; beat. to drive, force, or render by a blow or blows to knock a man senseless. to make by striking a blow or blows to knock a hole in the wall. to strike (a thing) against something else. Informal . to criticize, esp. in a carping manner He”s always knocking everything. British Slang . to astound; impress greatly.


an act or instance of knocking. the sound of knocking, esp. a rap, as at a door. a blow or thump. Informal . an adverse criticism. the noise resulting from faulty combustion or from incorrect functioning of some part of an internal-combustion engine. Cricket . an innings. British Slang .one of a combination of dealers who bid together, rather than against each other, at an auction, and later resell the purchases among themselves.an auction at which this is done.the sale of merchandise recently obtained by a dealer at an auction. ?

Verb phrases

knock around or about, Informal .to wander aimlessly or idly; loaf.to mistreat (someone), esp. physically.to jar; shake up. knock back, Slang . to drink (a beverage), esp. quickly and heartily He knocked back two shots of vodka. knock down,to sell at auction by a blow of the hammer or to a bidder.to take apart or disassemble, as for facility in handling, storing, shipping, etc.Slang . to receive, as a salary or a scholastic grade; earn He knocks down 30 grand a year. Informal . to lower the price of; reduce to knock down end-of-season leftovers. Slang . to embezzle or steal (money).to cause (a sailing vessel) to heel, as by a gust of wind, to such a degree that it cannot right itself.

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knock off,Informal . to cease activity, esp. work to knock off at five every day. to stop doing something; quit Knock it off or you”ll get into a mess. Slang . to dispose of; finish.Slang . to murder; kill.Slang . to die.Slang . to get rid of; reduce.Slang . to disable or defeat.Slang . to commit a robbery at; steal from The gang knocked off a gas station. Nautical Slang . to blow the head (of a sailing vessel) off the wind.to imitate, copy, or plagiarize to knock off designer dresses in cheap materials. knock out,to defeat (an opponent) in a boxing match by striking such a blow that the opponent is unable to rise within the specified time.to render (a person) unconscious Those sleeping pills knocked me out for ten hours. to make tired or exhausted Christmas shopping always knocks me out. Informal . to produce quickly, hurriedly, or with ease He knocks out two poems a day. to damage or destroy The explosion knocked out the power for several hours. knock ( def. 28 ) . knock over,to strike (someone or something) from an erect to a prone position to knock over a lamp. to distress; overcome When the announcement came we were completely knocked over. Slang . to rob, burglarize, or hijack He knocked over five banks. knock together, to make or construct in a hurry or with little attention to detail He knocked together a couple of tables. knock up,Slang . to make pregnant.to exhaust; weary; tire.to damage; mar The children knocked up the new table. to injure; wound He was afraid to come home from school all knocked up again. British . to wake up; rouse; call He knocked us up before dawn.


have it knocked Slang . to be assured of success With a government job, he thought he had it knocked. knock out of the box, Baseball . to cause a pitcher to be removed from the box because the pitcher has permitted too many hits to be made. Also knock out. knock the or one”s socks off Informal . to have an overwhelming effect on The song knocked the socks off the audience.



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