Main Entry: ¹ex·tinct

Pronunciation: \ik-ˈstiŋ(k)t, ˈek-ˌ\

Function: adjective

Etymology: Middle English, from Latin exstinctus, past participle of exstinguere

Date: 15th century

1 a : no longer burning b : no longer active <an extinct volcano>
2 : no longer existing <an extinct animal>
3 a : gone out of use : superseded b : having no qualified claimant <an extinct title>