Dictionary > English Dictionary > Definition, synonym and antonym of knife
Meaning of knife by Wiktionary Dictionary


    a few kitchen knives: chef's knife, bread knife, steak knife, and paring knife


    • IPA: /naɪf/
    • Rhymes: -aɪf


    Middle English knif, from late Old English cnīf, from Old Norse knífr ( compare Danish/Swedish kniv ), from Proto-Germanic *knībaz ( compare Low German Knief, Luxembourgish Knäip ‘penknife’ ), from *knīpanan ‘to pinch’ ( compare Dutch knijpen, Low German kniepen, Old High German gniffen ), from Proto-Indo-European *gneibʰ- ( compare Lithuanian gnýbti, žnýbti ‘to pinch’, gnaibis ‘pinching’ ). Replaced Middle English sexe .


    knife ( plural: knives )

    1. A utensil or a tool designed for cutting, consisting of a flat piece of hard material, usually steel or other metal ( the blade ), usually sharpened on one edge, attached to a handle. The blade may be pointed for piercing.
    2. A weapon designed with the aforementioned specifications intended for slashing and/or stabbing and too short to be called a sword. A dagger .
    3. Any blade-like part in a tool or a machine designed for cutting, such as the knives for a chipper .

    See also


    knife ( third-person singular simple present knifes present participle knifing, simple past and past participle knifed )

    1. ( transitive ) To cut with a knife .
    2. ( transitive ) To use a knife to injure or kill by stabbing, slashing, or otherwise using the sharp edge of the knife as a weapon .
    3. ( intransitive ) To cut through as if with a knife .
    4. ( transitive ) To betray, especially in the context of a political slate .
    5. ( transitive ) To positively ignore, especially in order to denigrate. compare cut

Definition of knife by GCIDE Dictionary


  1. Knife ( nīf ), n.; pl. Knives ( nīvz ). [OE. knif, AS. cnīf; akin to D. knijf, Icel. knīfr, Sw. knif, Dan. kniv.]
    1. An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a handle, but of many different forms and names for different uses; as, “table knife, drawing knife, putty knife, pallet knife, pocketknife, penknife, chopping knife, etc.”.

    2. A sword or dagger.

    The coward conquest of a wretch's knife. Shak.

    Knife grass ( Bot. ) a tropical American sedge ( Scleria latifolia ), having leaves with a very sharp and hard edge, like a knife. -- War to the knife, mortal combat; a conflict carried to the last extremity.

  2. Knife, v. t. [imp. & p. p. Knifed ; p. pr. & vb. n. Knifing]
    1. ( Hort. ) To prune with the knife.

    2. To cut or stab with a knife. [Low]

    3. Fig.: To stab in the back; to try to defeat by underhand means, esp. in politics; to vote or work secretly against ( a candidate of one's own party ). [Slang, U. S.]