adj.
Pronunciation: ik- ' sti ŋ (k)t, ' ek- 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1 a : no longer burning b : no longer active 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3 a : gone out of use : SUPERSEDED b : having no qualified claimant 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>