ETYM Latin extinctus, exstinctus, p. p. of extinguere, exstinguere. Related to Extinguish.
1. No longer in existence; lost or especially having died out leaving no living representatives; SYN. nonextant.
2. Of a fire; being out or having grown cold; SYN. extinguished, out, quenched.
3. Of e.g. volcanos; permanently inactive; SYN. inactive.

Extinguish