extinct

[ik-stingkt] / ɪkˈstɪŋkt /

ADJECTIVE

dead, obsolete

Synonyms

WEAK

abolished archaic asleep bygone cold dead and gone deceased defunct departed disappeared done for doused ended exanimate exterminated extinguished fallen gone inactive late lifeless lost no longer known outmoded passed on passé snuffed out superseded terminated unknown vanished vanquished void wiped-out

Antonyms

WEAK

alive existing extant living

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In addition, researchers found an extinct pigeon species closely related to Australian bronzewing pigeons.

From Science Daily • Mar. 26, 2026

In 2015, the antelope suffered a mass die-off and it was feared that the Ice Age survivors would become extinct.

From BBC • Mar. 24, 2026

And if doubles are an endangered species, triples are practically extinct.

From The Wall Street Journal • Mar. 24, 2026

West Papua reveals two species that we thought were extinct.

From MarketWatch • Mar. 6, 2026

Vulnerable, and at risk of becoming extinct in the wild.

From "Camp Panda" by Catherine Thimmesh