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.

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 …

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 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.

• Once extinct this wonderful animal will be gone for ever. become extinct • We are, I fear, in danger of becoming extinct. • If nothing is done to save the whales now, the species will soon become extinct.

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.

Definition of extinct. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.