follow Dictionary.com

How Well Do You Know English Slang?

knife edge

noun
1.
the cutting edge of a knife.
2.
anything very sharp.
3.
a wedge on the fine edge of which a scale beam, pendulum, or the like, balances or oscillates.
Origin
1810-1820
1810-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for knife-edge

knife edge

noun
1.
the sharp cutting edge of a knife
2.
any sharp edge
3.
a sharp-edged wedge of hard material on which the beam of a balance pivots or about which a pendulum is suspended
4.
a critical point in the development of a situation, process of making a decision, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for knife edge

Few English speakers likely know this word

Word Value for knife

12
13
Scrabble Words With Friends

Quotes with knife-edge