/ Dictionary / Index H hairbreadth: Meaning and Definition of Find definitions for: hair•breadth Pronunciation: (hâr'bredth", -bretth"), [key] — n., adj. hairsbreadth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hairbrained hairbrush Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language