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Definition of mustache

mustache

/ˈmʌstæʃ/
(UK: moustache)
mus · tache

Plural:mustaches
•
Adjective:mustached
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mustache Lexical Profile

mustache Game Scores & Validity

• noun

1

American The hair growing on the human upper lip, typically referring to that of an adult male, especially when allowed to grow and styled.

Example

"He decided to grow a thick mustache to give himself an older, more distinguished appearance."


2

A natural growth of hair, bristles, or distinctive anatomical markings around the mouth or beak of an animal.

Example

"The walrus is easily recognizable by the dense, bristly mustache overhanging its tusks."

Synonyms
View all synonyms for mustache

Word Nuance & Usage

"Mustache" is the standard American English spelling, whereas "moustache" is the preferred spelling in British English.

Word Origin & Etymology

Borrowed from Middle French 'moustache', via Italian 'mostaccio', ultimately tracing back to the ancient Greek 'mystax' meaning 'upper lip' or 'mustache'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Mustache. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mustache
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