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.

5 days ago · extinct (not comparable) (archaic) 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 …

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

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.

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 refers to a species, genus, or larger group that has no living members; it means the complete disappearance or death of all individual organisms belonging to a particular species or group.

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