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Definition of marmoset
marmoset
/ˈmɑːr.mə.sɛt/
mar · mo · set
Plural:marmosets
marmoset Lexical Profile
CEFR
C1
Grade
7
Tier
2
Usage
Rare
marmoset Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Any of various small, active New World monkeys of the family Callitrichidae, native to the tropical forests of Central and South America, characterized by soft fur, a long tail, and claw-like nails instead of typical primate fingernails.
Example
"The biologist spent months in the Amazon rainforest studying the complex vocalizations and social behavior of the pygmy marmoset."
Synonyms
View all synonyms for marmosetWord Origin & Etymology
From Middle English marmoset, borrowed from Old French marmouset meaning 'a grotesque figure' or 'a little boy', which was eventually applied to small monkeys.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Marmoset. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/marmoset