moustache

1 of 3

noun (1)

mous·​tache

less common spelling 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
variants or less commonly moustache
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
mustached adjective
or less commonly moustached

moustache monkey

3 of 3

noun (3)

variants or less commonly moustache
plural -s
: a guenon of western Africa (Cercopithecus cephus) having a bluish face with a white stripe on the upper lip

Examples of moustache in a Sentence

Noun (2) He used a small pair of scissors to trim his mustache. He decided to grow a mustache. The actor was wearing a false mustache.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
However, the true outrage should have been about the lack of a wispy moustache. Sergio Pereira, Space.com, 15 Aug. 2026 Bill MacLauchlin surprised the bicentennial beard contest judges with a blue and white beard topped by a red moustache. Orlando Sentinel Staff, The Orlando Sentinel, 4 July 2026
Noun
While Gibbons and Hill were known for their long, scraggly beards, Beard himself, somewhat ironically, usually went clean-shaven or only sported a mustache. CBS News, 18 Aug. 2026 On a typical day this July, around four Roosevelt impersonators were roaming the streets, identifiable by their mustaches, stout bellies, and dispensing of homespun wisdom. Rachel Monroe, New Yorker, 17 Aug. 2026 See All Example Sentences for moustache

Word History

Etymology

Noun (2)

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

First Known Use

Noun (2)

1585, in the meaning defined at sense 1

Time Traveler
The first known use of moustache was in 1585

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Cite this Entry

“Moustache.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moustache. Accessed 27 Aug. 2026.

Kids Definition

moustache

variant of mustache

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