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Definition of knife

knife

/naɪf/
knife

Plural:knives
•
Past Simple:knifed
•
Past Participle:knifed
•
Present Participle:knifing
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knife Lexical Profile

knife Game Scores & Validity

• noun

1

A tool or instrument used for cutting, consisting of a flat blade with a sharpened edge attached to a handle.

Example

"The chef carefully sharpened his favorite knife before starting to prepare the vegetables."


2

A cutting blade forming part of a machine or implement.

Example

"The lawnmower's rotary knife needs to be replaced at the beginning of spring to ensure a clean cut."

• verb

1

To cut, stab, or pierce someone or something using a knife.

Example

"The survivor had to knife through the heavy canvas tent to escape the sudden fire."


2

To move swiftly and cleanly through a substance, as if cutting it.

Example

"The sleek racing yacht knifed through the choppy waters with remarkable ease."

Synonyms
View all synonyms for knife

• Rhymes for knife

Word Origin & Etymology

From Middle English 'knif', from Old English 'cnīf', of North Germanic origin, related to Old Norse 'knífr'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Knife. In Wordmom Dictionary. Retrieved Nov 3, 2026, from https://wordmom.com/dictionary/knife
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