Knife (noun) Definition, Meaning & Examples

noun, plural knives [nahyvz]. /naɪvz/.
  1. an instrument for cutting, consisting essentially of a thin, sharp-edged, metal blade fitted with a handle.
  2. a knifelike weapon; dagger or short sword.
  3. any blade for cutting, as in a tool or machine.
verb (used with object), knifed, knif·ing.
  1. to apply a knife to; cut, stab, etc., with a knife.
  2. to attempt to defeat or undermine in a secret or underhanded way.
verb (used without object), knifed, knif·ing.
  1. to move or cleave through something with or as if with a knife: The ship knifed through the heavy seas.
Idioms
  1. in surgery; undergoing a medical operation: The patient was under the knife for four hours.
noun plural knives (naɪvz)
  1. a cutting instrument consisting of a sharp-edged often pointed blade of metal fitted into a handle or onto a machine
  2. a similar instrument used as a weapon
  3. to have a grudge against or victimize someone
  4. to make a bad situation worse in a deliberately malicious way
  5. people are determined to harm or put a stop to someone
  6. undergoing a surgical operation
verb (tr)
  1. to cut, stab, or kill with a knife
  2. to betray, injure, or depose in an underhand way
Knife (noun) Definition, Meaning & Examples

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