ALL meanings of under the knife
un·der the knife
U u - noun plural under the knife an instrument for cutting, consisting essentially of a thin, sharp-edged, metal blade fitted with a handle. 1
- noun plural under the knife a knifelike weapon; dagger or short sword. 1
- noun plural under the knife any blade for cutting, as in a tool or machine. 1
- verb with object under the knife to apply a knife to; cut, stab, etc., with a knife. 1
- verb with object under the knife to attempt to defeat or undermine in a secret or underhanded way. 1
- verb without object under the knife to move or cleave through something with or as if with a knife: The ship knifed through the heavy seas. 1
- idioms under the knife under the knife, in surgery; undergoing a medical operation: The patient was under the knife for four hours. 1
- phrase under the knife If you go under the knife, you have an operation in a hospital. 0
- noun under the knife undergoing a surgical operation 0
- noun under the knife undergoing surgery 0