KNIFE-EDGE

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does knife-edge mean? 

• KNIFE-EDGE (noun)
  The noun KNIFE-EDGE has 1 sense:

1. a narrow boundary

  Familiarity information: KNIFE-EDGE used as a noun is very rare.

 Dictionary entry details 

• KNIFE-EDGE (noun)

Sense 1

Meaning:

A narrow boundary

Classified under:

Nouns denoting attributes of people and objects

Context example:

he lived on a knife-edge between genius and insanity

Hypernyms ("knife-edge" is a kind of...):

bound; boundary; limit (the greatest possible degree of something)

 Context examples 

At one place it ran along the crest of a ridge that was no more than a knife-edge.

(Martin Eden, by Jack London)

From above came one thin knife-edge of sunshine, and fifteen feet over our heads one saw the tops of the reeds swaying against the deep blue sky.

(The Lost World, by Sir Arthur Conan Doyle)