- The definition of extinct is someone or something that has burned out, is no longer in use or no longer exists.
- An example of extinct is a volcano that is no longer erupting.
- An example of extinct is an old marriage custom in an African tribe.
- An example of extinct is dinosaurs.
The dodo is an extinct species.
- having died down or burned out; extinguished: an extinct fire
- no longer active: an extinct volcano
- no longer in existence or use; specif., having no living descendant: an extinct species
- that no living person holds or can claim: said of offices, titles, etc.
- no longer spoken as a native language
Origin of extinctMiddle English ; from Classical Latin extinctus, exstinctus, past participle of exstinguere: see extinguish
- No longer existing or living: an extinct species. See Synonyms at dead.
- No longer burning or active: an extinct volcano.
- No longer in use: an extinct custom.
Origin of extinctMiddle English, from Latin exstīnctus, past participle of exstinguere, to extinguish; see extinguish.
(comparative more extinct, superlative most extinct)
- (dated) Extinguished, no longer alight (of fire, candles etc.)
- Poor Edward's cigarillo was already extinct.
- No longer in existence; having died out.
- The dinosaurs have been extinct for millions of years.
- (volcanology) No longer actively erupting.
- Most of the volcanos on this island are now extinct.