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.

Feb 21, 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 …

(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 …

Feb 16, 2026 · Adjective 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 …

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.