[ex.tinct] adj [ME, fr. L exstinctus, pp. of exstinguere] (15c) 1 a: no longer burning b: no longer active "an ~ volcano"
2: no longer existing "an ~ animal" 3 a: gone out of use: superseded b: having no qualified claimant "an ~ title"
[2]extinct vt (15c) archaic: extinguish