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Definition of synonym
synonym
/ˈsɪn.ə.nɪm/
syn · o · nym
Adverb:synonymously
•Plural:synonyms
•Adjective:synonymous
synonym Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
Top 5k
synonym Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in the same language.
Example
"In English, the words "happy" and "joyful" function as synonyms."
2
A person or thing so closely associated with a particular quality, concept, or idea that the mention of their name instantly calls it to mind.
Example
"In the 19th century, the name Victoria became a synonym for British imperial power."
Synonyms
View all synonyms for synonym Antonyms
View all antonyms for synonym• Nearby Words
Word Origin & Etymology
From late Middle English, via Latin 'synonymum' from Greek 'sunōnumon' (neuter of 'sunōnumos', meaning 'having the same name'), derived from 'sun-' (with) and 'onoma' (name).
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Synonym. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/synonym