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.

15 hours ago · When you think of extinct animals, you might go to a saber-toothed cat, or the infamous dodo. But there are, unfortunately, a lot more recent animals that have

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

Dec 6, 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 …

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

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.

(of a type of plant, animal, etc.) no longer in existence. The red squirrel is in danger of becoming extinct in England. The numbers of these animals have been falling steadily and they are now almost …

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.