- 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.
- to apply a knife to; cut, stab, etc., with a knife.
- to attempt to defeat or undermine in a secret or underhanded way.
- to move or cleave through something with or as if with a knife: The ship knifed through the heavy seas.
- under the knife, in surgery; undergoing a medical operation: The patient was under the knife for four hours.
Origin of knife
Examples from the Web for knife
I took out my knife, my Ka-Bar, and knocked his teeth out, but they fell into his throat.The Story Behind Lee Marvin’s Liberty Valance Smile
January 3, 2015
But in the next instant, Peters is stepping back to the table and snatching up the knife.
“Stand the f--- away from the knife right now, man,” the cop says.
The cop then says, “Put the knife on the table right there.”
The cop reholsters his gun, and it seems to have ended with no further bloodshed as he moves to retrieve the knife.
Fish called on Knife and told him that he did not care for money.
He made signs for me to give him the knife, but I could not, as we were very short of knives.Explorations in Australia
Knife, however, must promise to leave his land to his son-in-law in case he died.
It was brought—but, by order of the huissier, only one knife was placed on the table.
Cut deeper; the knife is too short: deeper, mia brave Corneliolina!
- a cutting instrument consisting of a sharp-edged often pointed blade of metal fitted into a handle or onto a machine
- a similar instrument used as a weapon
- have one's knife in someone to have a grudge against or victimize someone
- twist the knife to make a bad situation worse in a deliberately malicious way
- the knives are out for someone British people are determined to harm or put a stop to someonethe knives are out for Stevens
- under the knife undergoing a surgical operation
- to cut, stab, or kill with a knife
- to betray, injure, or depose in an underhand way
Word Origin and History for knife
late Old English cnif, probably from Old Norse knifr, from Proto-Germanic *knibaz (cf. Middle Low German knif, Middle Dutch cnijf, German kneif), of uncertain origin. To further confuse the etymology, there also are forms in -p-, e.g. Dutch knijp, German kneip. French canif "penknife" (mid-15c.) is borrowed from Middle English or Norse.
1865, from knife (n.). Related: Knifed; knifing.
Idioms and Phrases with knife
see at gunpoint (knifepoint); under the knife; you could cut it with a knife.