knife-edge

1. 1.

   a narrow boundary

   “he lived on a knife-edge between genius and insanity”

   Broaderlimit

Questions about knife-edge

What does knife-edge mean?

knife-edge means "a narrow boundary".

How many syllables are in knife-edge?

knife-edge has 2 syllables and divides as kni-fe-edge under the regular spelling rules. It is not in the CMU Pronouncing Dictionary, so that comes from how the word is written rather than from a recorded pronunciation, and no stress or phonetic transcription is claimed for it.

Is knife-edge a common word?

knife-edge is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.