The meaning of EXTINCT is no longer burning. How to use extinct in a sentence.

Notable extinct animal species include non-avian dinosaurs, saber-toothed cats, and mammoths. Through evolution, species arise through the process of speciation. Species become extinct when …

EXTINCT definition: 1. not now existing: 2. An extinct volcano is one that is not now active (= will not explode…. Learn more.

1. No longer existing or living: an extinct species. See Synonyms at dead. 2. No longer burning or active: an extinct volcano. 3. No longer in use: an extinct custom.

Definition of extinct adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Although extinction is an ongoing feature of Earth’s flora and fauna (the vast majority of species ever to have lived are extinct), the fossil record reveals five unusually large extinctions, called mass …

6 days ago · Christmas Island Shrew and Slender-Billed Curlew Among the 'Sobering' Number of Animals Declared Extinct in 2025 This year, at least six animal and insect species moved to the …

Dec 14, 2025 · extinct (not comparable) (dated) Of fire, etc.: no longer alight; of a light, etc.: no longer shining; extinguished, quenched. antonyms quotations Antonyms: alight, burning Edward’s cigarillo …

WordReference Random House Unabridged Dictionary of American English © 2025 ex•tinct (ik stingkt′), adj. Biology no longer in existence; that has ended or died out: an extinct species of fish. no longer in …

EXTINCT definition: no longer in existence; having ended or died out. See examples of extinct used in a sentence.