Knife definitions

nīf
The definition of a knife is a tool with a sharp blade and a handle used for cutting or stabbing.

The kitchen utensil with a sharp blade and a handle that you use when you are cutting up steak is an example of a knife.

A tool with a sharp blade that a murderer uses to stab someone to death is an example of a knife.

noun
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To knife is defined as to cut or stab someone using a tool with a handle and a sharp metal blade.

When a murderer stabs someone using a sharp blade, this is an example of a when the murdered knifes his victim.

verb
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A cutting instrument consisting of a sharp blade attached to a handle.
noun
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A cutting edge; a blade.
noun
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To use a knife on, especially to stab; wound with a knife.
verb
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To betray or attempt to defeat by underhand means.
verb
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To cut or slash a way through something with or as if with a knife.

The boat knifed through the waves.

verb
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A cutting or stabbing instrument with a sharp blade, single-edged or double-edged, set in a handle.
noun
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A cutting blade, as in a machine.
noun
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To cut or stab with a knife.
verb
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To use underhanded methods in order to hurt, defeat, or betray.
verb
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To pass into or through something quickly, like a sharp knife.
verb
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A cutting instrument consisting of a sharp blade attached to a handle.
noun
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A cutting edge; a blade.
noun
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To use a knife on, especially to stab; wound with a knife.
verb
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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.
noun
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A weapon designed with the aforementioned specifications intended for slashing and/or stabbing and too short to be called a sword. A dagger.
noun
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Any blade-like part in a tool or a machine designed for cutting, such as the knives for a chipper.
noun
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To cut with a knife.
verb
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To use a knife to injure or kill by stabbing, slashing, or otherwise using the sharp edge of the knife as a weapon.
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(intransitive) To cut through as if with a knife.
verb
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To betray, especially in the context of a political slate.
verb
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To positively ignore, especially in order to denigrate. compare cut.
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Origin of knife

Middle English knif, from late Old English cnīf, from Old Norse knífr (compare Danish/Swedish/Norwegian kniv), from Proto-Germanic *knībaz (compare Low German Knief, Luxembourgish Knäip ‘penknife’), from *knīpaną ‘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 sax.