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WordReference Random House Learner's Dictionary of American English © 2024knife /naɪf/USA pronunciation n., pl. knives /naɪvz/USA pronunciation v., knifed, knif•ing. n. [countable] - an instrument for cutting, made of a sharp-edged metal blade fitted with a handle:steak knives.
- a knifelike weapon;
The man was dead, with a knife sticking out of him.
v. - to cut, stab, etc., with a knife:[~ + object]had been knifed and left to die.
- to move through something with or as if with a knife:[no object]The ship knifed through the water.
Idioms- knife (someone) in the back, to attempt to defeat, weaken, or ruin someone in a secret or dishonest way.
WordReference Random House Unabridged Dictionary of American English © 2024knife (nīf ),USA pronunciation n., pl. knives (nīvz),USA pronunciation v., knifed, knif•ing. n. - an instrument for cutting, consisting essentially of a thin, sharp-edged, metal blade fitted with a handle.
- a knifelike weapon;
dagger or short sword. - any blade for cutting, as in a tool or machine.
- Idioms under the knife, in surgery;
undergoing a medical operation:The patient was under the knife for four hours.
v.t. - to apply a knife to;
cut, stab, etc., with a knife. - to attempt to defeat or undermine in a secret or underhanded way.
v.i. - to move or cleave through something with or as if with a knife:The ship knifed through the heavy seas.
- bef. 1100; Middle English knif, Old English cnīf; cognate with Dutch knijf, German Kneif, Old Norse knīfr
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