bad hair day

noun

informal
: a day when one's hair is unattractive and unmanageable
You think you've had a bad hair day? One U.S. woman has hair problems that go way beyond such ordinary complaints as split ends.Science News
also : a bad day : a day with many problems, annoyances, etc.
Way back when Moses had that bad hair day on the mountain and broke the commandment tablets, I'm thinking when he put them all back together there was an 11th one missing. Dwain Walden

Examples of bad hair day in a Sentence

Recent Examples on the Web
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A day at the beach usually means heat, sand, wind, and water, all of which can lead to a bad hair day—but who cares? Laurie Lyons-Makaimoku, Travel + Leisure, 29 July 2025 Then, analysts determined a score for each city and ranked them according to where people have the highest likelihood of a bad hair day. Laura Daniella Sepulveda, The Arizona Republic, 19 Sep. 2024 As a Head Wrap Edward Berthelot/Getty Images Having a bad hair day? Kelsey Stewart, Glamour, 13 Mar. 2025 Avoid a bad hair day and potential meltdown (quite literally) by packing the Conair Travel Hair Dryer. Annita Katee, Travel + Leisure, 9 Jan. 2025 See All Example Sentences for bad hair day

Word History

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of bad hair day was in 1970

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Cite this Entry

“Bad hair day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bad%20hair%20day. Accessed 5 Aug. 2025.

Last Updated: - Updated example sentences
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