We found one dictionary that defines the word by a hairs breadth:

General (1 matching dictionary)

1. by a hair's breadth: Wiktionary

▸ Words similar to by a hairs breadth ▸ Usage examples for by a hairs breadth ▸ Idioms related to by a hairs breadth ▸ Wikipedia articles (New!) ▸ Words that often appear near by a hairs breadth ▸ Rhymes of by a hairs breadth ▸ Invented words related to by a hairs breadth