The meaning of KNOCK is to strike something with a sharp blow. How to use knock in a sentence.

KNOCK definition: to strike a sounding blow with the fist, knuckles, or anything hard, especially on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal. See …

KNOCK meaning: 1. to repeatedly hit something, producing a noise: 2. If an engine is knocking, it is producing a…. Learn more.

If you knock something or someone, you criticize them and say unpleasant things about them.

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Dec 20, 2025 · (transitive, British, slang, dated) To impress forcibly or strongly; to astonish; to move to admiration or applause. I knocked against the table and bruised my leg.

Definition of knock verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

KNOCK meaning: 1 : to hit something (such as a door) with the knuckles of your hand or with a hard object (such as a knocker) in order to get people's attention usually + on sometimes used …

When you knock, you bump or strike someone or something. When you hear a knock at the door, someone on the other side is thumping it with their knuckles.

If you knock something or someone, you criticize them and say unpleasant things about them.