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WordReference Random House Unabridged Dictionary of American English © 2024knock•down (nok′doun′),USA pronunciation adj. - capable of knocking something down;
overwhelming;
irresistible:a knockdown blow. - Buildingconstructed in separate parts that can readily be taken apart for easy storage, shipping, etc.:a knockdown toolshed.
- offered or acquired for less than the prevailing rate:first-rate goods at knockdown prices.
n. - a knockdown object.
- an act or instance of knocking down, esp. by a blow.
- something that fells or overwhelms.
- reduction or lowering, as in price or number:The store offered a knockdown of 15 percent to its own employees.
- Slang Termsan introduction, esp. to a person:He gave me a real knockdown to the company.
- Nautical, Naval Termsthe capsizing of a small boat as a result of a strong gust of wind.
- adjective, adjectival, noun, nominal use of verb, verbal phrase knock down 1680–90
WordReference Random House Learner's Dictionary of American English © 2024knock /nɑk/USA pronunciation v. - to strike a blow that makes noise, as in seeking admittance, calling attention, or giving a signal:[no object]She knocked loudly at the door.
- to give a forceful blow to;
strike: [no object]He knocked against the table and fell.[~ + object]The muggers knocked him senseless. - to make a banging noise:[no object]The car's engine is knocking.
- to make by striking a blow or blows:[~ + object]to knock a hole in the wall.
- Informal Termsto criticize or find fault with:[~ + object]Don't knock that new shampoo until you have tried it.
- Informal Terms knock around or about:
- [no object] to wander, esp. living briefly in one place after another.
- to mistreat;
manhandle;
beat: [~ + around + object]knocking around the suspect.[~ + object + around]knocked the suspect around.
- knock down:
- to cause to fall by striking: [~ + object + down]The police knocked him down.[~ + down + object]Lightning knocked down the tree.
- to (cause to) be dismantled for ease of handling: [no object]The tent knocks down quickly and easily.[~ + down + object]They knocked down the crate and unpacked it.[~ + object + down]They knocked it down.
- to lower the price of: [~ + object + down]to knock the price down by $500.[~ + down + object]to knock down the price by $500.
- knock off:
- to cease or stop an activity, esp. the day's work: [no object]The boss let us knock off a little early today.[~ + off + object]We knocked off work a little early today.
- Also, knock out. [Informal.]to do, produce, or finish quickly or with ease: [~ + off + object]to knock off a couple of projects a day.[~ + object + off]He knocked two chapters off by mid morning.
- Slang Termsto murder: [~ + object + off]The mob knocked him off.[~ + off + object]The mob knocks off anyone who gets in their way.
- to reduce a price by the amount of: [~ + off + object]Knock off $500 and I'll buy it.[~ + object + off]Knock $500 off.
- Slang Termsto defeat: [~ + off + object]Our team knocked off our rivals in the first match.[~ + object + off]We knocked them off in the first match.
- [Slang.]to rob* steal or burglarize: [~ + off + object]The thieves knocked off a few of the richer houses.[~ + object + off]They knocked this one off first.
- knock out:
- Sportto defeat (an opponent) in a boxing match by striking such a blow that the opponent is unable to rise within the specified time: [~ + out + object]knocked out the challenger in the fourth round.[~ + object + out]knocked him out in the fourth round.
- to make unconscious: [~ + out + object]The gas knocked out the entire household.[~ + object + out]The pills knocked him out at once.
- to make tired or exhausted: [~ + object + out]This work knocks me out.[~ + out + object]This work could knock out anyone.
- to damage or destroy: [~ + out + object]The storm knocked out the power lines.[~ + object + out]The hurricane knocked the electricity out.
- knock over:
- to strike (someone or something) from a standing position to one that is down: [~ + over + object]He knocked over the glasses as he squeezed by the table.[~ + object + over]He knocked my glass over as he squeezed by.
- Slang Termsto rob, burglarize, or hijack: [~ + over + object]The gang knocked over a bank.[~ + object + over]The gang knocked it over and fled.
- knock up:
- Slang Terms(vulgar). to make pregnant.
- [~ + object + up][Brit.]to wake up;
rouse:Knock them up when you're ready to leave.
n. - an act or instance of knocking:[countable]a knock on the head.
- Informal Termsnegative criticism:[countable]The knock on him is that he can't handle stress.
- the noise resulting from faulty firing of an engine:[uncountable]the gasoline that takes care of engine knock.
Idioms- Idioms knock it off, to cease doing or saying something.
WordReference Random House Unabridged Dictionary of American English © 2024knock (nok),USA pronunciation v.i. - 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 Termsto engage in trivial or carping criticism;
find fault. - Games[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.
v.t. - 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 Termsto criticize, esp. in a carping manner:He's always knocking everything.
- British Termsto astound;
impress greatly. - Idioms have it knocked, [Slang.]to be assured of success:With a government job, he thought he had it knocked.
- 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 Termsto receive, as a salary or a scholastic grade;
earn:He knocks down 30 grand a year. - Informal Termsto lower the price of;
reduce:to knock down end-of-season leftovers. - Slang Termsto 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.
- Nautical knock off:
- Informal Termsto 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 Terms Slang. to dispose of;
finish. - Slang Termsto murder;
kill. - Slang Termsto die.
- Slang Termsto get rid of;
reduce. - Slang Termsto disable or defeat.
- Slang Termsto commit a robbery at;
steal from:The gang knocked off a gas station. - [Slang. Naut.]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:
- Sportto 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 Termsto 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.
- See knock (def. 18).
- 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 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 Termsto rob, burglarize, or hijack:He knocked over five banks.
- knock the or one's socks off, [Informal.]to have an overwhelming effect on:The song knocked the socks off the audience.
- 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 Termsto 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. - [Brit.]to wake up;
rouse;
call:He knocked us up before dawn.
n. - an act or instance of knocking.
- the sound of knocking, esp. a rap, as at a door.
- a blow or thump.
- Informal Termsan adverse criticism.
- the noise resulting from faulty combustion or from incorrect functioning of some part of an internal-combustion engine.
- Sport[Cricket.]an innings.
- British Terms, Business
- 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.
- bef. 1000; 1890–95 for def. 4; Middle English knokken, knoken (verb, verbal), Old English cnocian, cnucian; cognate with Old Norse knoka to thump, knock
- 1.See corresponding entry in Unabridged See strike.
Collins Concise English Dictionary © HarperCollins Publishers:: knock down vb (tr, adverb)- to strike to the ground with a blow, as in boxing
- (in auctions) to declare (an article) sold, as by striking a blow with a gavel
- to demolish
- to dismantle, for ease of transport
- informal to reduce (a price, etc)
- Austral slang to spend (a cheque)
- Austral slang to drink
adj knockdown (prenominal)- overwhelming; powerful: a knockdown blow
- chiefly Brit cheap: I got the table at a knockdown price
- easily dismantled: knockdown furniture
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