mus·​tache | \ ˈmə-ˌstash How to pronounce mustache (audio) , (ˌ)mə-ˈstash How to pronounce mustache (audio) \
variants: or less commonly

Definition of mustache

1 : the hair growing on the human upper lip especially : such hair grown and often trimmed in a particular style his long mustache combed and waxed — Henry Petroski
2 : hair or bristles about the mouth of a mammal

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Other Words from mustache

mustached or less commonly moustached \ ˈmə-​ˌstasht How to pronounce mustache (audio) , (ˌ)mə-​ˈstasht \ adjective

Examples of mustache in a Sentence

He used a small pair of scissors to trim his mustache. He decided to grow a mustache. The actor was wearing a false mustache.
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Recent Examples on the Web Sunday’s race, which aired on ESPN2, was called the Mustache Mile and was sponsored by pro runner Craig Engels, known for his mustache and mullet as well as his running. Beth Bragg, Anchorage Daily News, 19 July 2021 Though she hadn’t been asked to do so, the woman had touched up his father a bit, combing his hair, and trimming his mustache and his signature unruly eyebrows. Washington Post, 16 July 2021 With his mustache, the amazing Bartlett actually resembles an Australian Basil Fawlty. Darren Franich,, 7 July 2021 Briefly: INF Brock Holt shaved off his Lonesome Dove-ish mustache after hitting .190 in June. Evan Grant, Dallas News, 5 July 2021 How did Ron feel about all those Hitler mustache comments? Tribune News Service, cleveland, 18 June 2021 Chafin, rocking a look fit for the 1970s with a mustache and curls popping out beneath his cap, goes all out after fly balls off his teammates’ bats. Meghan Montemurro,, 13 June 2021 The first installment of Men in the Park, a series created by Josh Tobin and directed by Desi Domo, features Tobin as Sebastian, a marble-mouthed old man with a Lorax mustache and Christopher Plummer’s warbling voice. Vulture, 31 Mar. 2021 One day, while Fang was walking in Union Square, a car plastered with a Day-Glo mustache drove by. Lauren Smiley, Wired, 22 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mustache.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mustache

1585, in the meaning defined at sense 1

History and Etymology for mustache

Middle French moustache, from Old Italian mustaccio, from Middle Greek moustaki, diminutive of Greek mystak-, mystax upper lip, mustache

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Time Traveler for mustache

Time Traveler

The first known use of mustache was in 1585

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Last Updated

22 Jul 2021

Cite this Entry

“Mustache.” Dictionary, Merriam-Webster, Accessed 1 Aug. 2021.

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More Definitions for mustache



English Language Learners Definition of mustache

: hair growing on a man's upper lip


variants: also moustache \ ˈmə-​ˌstash , mə-​ˈstash \

Kids Definition of mustache

: the hair growing on the human upper lip

More from Merriam-Webster on mustache

Nglish: Translation of mustache for Spanish Speakers

Britannica English: Translation of mustache for Arabic Speakers Encyclopedia article about mustache


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