Added 9 October 2026 hairbreadth /ˈhɛɹˌbɹɛdθ/ noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about hairbreadth at Wordnik → Where our words come from → Alternative form of hair's breadth: the width of a hair, a very short distance or a very small amount. Origin From hair + breadth. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: hairescapesscapeshairsbreadthvanishmentmisallianceunrestraintunmanningescapewaveringsprecipitancylanguishment Back to today's word