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 …

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

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

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 …

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

Jan 7, 2026 · Extinction refers to the dying out or extermination of a species.

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

Extinct definition: No longer existing or living.

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.