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  1. EXTINCT Definition & Meaning - Merriam-Webster

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

  2. Extinction - Wikipedia

    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 …

  3. EXTINCT | definition in the Cambridge English Dictionary

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

  4. Extinction | Definition & Examples | Britannica

    Nov 2, 2025 · Extinction refers to the dying out or extermination of a species.

  5. Extinct - definition of extinct by The Free Dictionary

    Plant and animal species become extinct for many reasons, including climate change, disease, destruction of habitat, and local or worldwide natural disasters. The great majority of species that …

  6. extinct adjective - Definition, pictures, pronunciation and usage notes ...

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

  7. Declared extinct in 2025: A look back at some of the species we lost

    6 days ago · Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, they’re now formally categorized as extinct on the IUCN Red List ...

  8. At Least 6 Animal Species Declared Officially Extinct by the IUCN in 2025

    15 hours 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 …

  9. extinct - WordReference.com Dictionary of English

    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 …

  10. EXTINCT Definition & Meaning | Dictionary.com

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