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Definition of cosmo

cosmo

/ˈkɑːz.moʊ/
cos · mo
Plural:cosmos
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cosmo Lexical Profile

cosmo Game Scores & Validity

• noun

1

An informal shortening of cosmopolitan, a popular cocktail made with vodka, triple sec, cranberry juice, and freshly squeezed or sweetened lime juice.

Example

"She ordered a chilled cosmo at the lounge before dinner."

Synonyms
View all synonyms for cosmo

• Nearby Words

cosmetology
cosmic
cosmically
cosmo
cosmologist
cosmology
cosmonaut

Word Origin & Etymology

Formed in the late 20th century as an informal clipping of 'cosmopolitan', ultimately deriving from Ancient Greek 'kosmopolitēs' (citizen of the world).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

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