# bad hair day

> English word · Noun

## Definitions
1. A day when one's hair seems unmanageable.
2. A day when things seem to be unmanageable or go wrong.

## Etymology
Said to have been coined by British trichologist Philip Kingsley (1930–2016).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bad-hair-day