antonym

[ an-tuh-nim ]
/ ˈæn tə nɪm /
SEE SYNONYMS FOR antonym ON THESAURUS.COM

noun

a word opposite in meaning to another. Fast is an antonym of slow. Compare synonym(def 1).

Origin of antonym

First recorded in 1865–70; ant- + (syn)onym

OTHER WORDS FROM antonym

an·ton·y·mous [an-ton-uh-muh s] /ænˈtɒn ə məs/, an·to·nym·ic, adjective an·ton·y·my, noun

Words nearby antonym

antonius, antonomasia, antony, antony and cleopatra, antony, mark, antonym, antonyms, antre, antrectomy, antrim, antro-

Content related to antonym

What Are Some Antonyms For Top Slang Words? It shouldn't be a surprise that your favorite slang terms have excellent slang antonyms too. Check this list out so your lingo will be anything but basic.
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Words related to antonym

reverse, opposite

Example sentences from the Web for antonym

  • By and by, which was once a synonym, has become an antonym of immediately, meaning at some (perhaps remote) future time.

    English Synonyms and Antonyms |James Champlin Fernald

  • In strict usage, daily is the antonym of nightly as diurnal is of nocturnal.

    English Synonyms and Antonyms |James Champlin Fernald

British Dictionary definitions for antonym

antonym
/ (ˈæntənɪm) /

noun

a word that means the opposite of another word ``empty'' is an antonym of ``full''

Derived forms of antonym

antonymous (ænˈtɒnɪməs), adjective

Word Origin for antonym

C19: from Greek antōnumia, from anti- + onoma name