knock

Definitions of knock in various dictionaries:

noun - the sound of knocking (as on a door or in an engine or bearing)

noun - negative criticism

noun - a vigorous blow

noun - a bad experience

noun - the act of hitting vigorously

verb - deliver a sharp blow or push :"He knocked the glass clear across the room"

verb - rap with the knuckles

verb - knock against with force or violence

verb - make light, repeated taps on a surface

verb - sound like a car engine that is firing too early

verb - find fault with

To strike with a hard blow.

To affect in a specified way by striking hard: knocked the attacker senseless.

To cause to collide: I knocked my head on a low beam.

To produce by hitting or striking: knocked a hole in the wall.

To instill with or as if with blows: We tried to knock some sense into his head.

To find fault with; criticize: Don’t knock the food; it’s free.

To strike a sharp, audible blow or series of blows, as on a door.

To collide with something: knocked into the table.

To make a pounding or clanking noise: The car engine is knocking.

An instance of striking or colliding; a blow.

The sound of a sharp tap on a hard surface; a rap.

A pounding or clanking noise made by an engine, often as a result of faulty fuel combustion.

A cutting, often petty criticism.

To be rough or brutal with; maltreat.

To wander from place to place: knocking around Europe.

To discuss or consider: met to knock around some ideas.

To bring to the ground with a blow; topple.

To disassemble into parts, as for storage or shipping.

To declare sold at an auction, as by striking a blow with a gavel.

To reduce, as in price: knocked all the radios down 20 percent.

To receive as wages; earn: knocks down $50 an hour.

Informal.

To take a break or rest from; stop: knocked off work at noon.

To cease work: It’s after five; let’s knock off.

To complete, accomplish, or dispose of hastily or easily; finish: That author knocks off a book a year.

To get rid of; eliminate: knocked off 12 pounds in a month.

To kill or overcome.

To hold up or rob: knocked off a bank.

To copy or imitate, especially without permission: knocking off someone else’s ideas.

Informal.

To take a break or rest from; stop: knocked off work at noon.

To cease work: It’s after five; let’s knock off.

To render unconscious.

To defeat (a boxing opponent) by a knockout.

To render useless or inoperative: The storm knocked out the telephones.

To exert or exhaust (oneself or another) to the utmost: knocked herself out to be ready on time.

To make pregnant.

To wake up or summon, as by knocking at the door.

To wear out; exhaust.

To kill with a blow.

To affect strongly and positively: an amazing performance that knocked the audience dead.

verb - to strike sharply