antonym.
A word which has the opposite meaning of another word.
Meaning & usage
A word which has the opposite meaning of another word.
“Rich” is an antonym of “poor”; “full” is an antonym of “empty”.
A word which has the opposite meaning of another word. A word that describes one end of a scale, while its opposite describes the other end, such as large versus small; a gradable antonym.
Where this word comes from
From French antonyme (1840s and 1850s), which was modeled on earlier synonyme and influenced by the etymons of Ancient Greek ἀντωνυμία (antōnumía, “pronoun”); credit for popularization of the French loanword's naturalization into English is given principally to Charles John Smith and his 1867 book Synonyms and Antonyms: Or, Kindred Words and Their Opposites. Collected and Contrasted. By surface analysis, ant- + -onym.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.