HANG BY A HAIR

I. (verb)

Meaning:

Depend on a small thing or be at risk

Example:

His life now hangs by a thread

Synonyms:

hang by a hair; hang by a thread

Classified under:

Verbs of being, having, spatial relations

Hypernyms (to "hang by a hair" is one way to...):

depend (be contingent upon (something that is elided))

Sentence frame:

Somebody ----s