Synonyms: extinct
Definition: (of e.g. volcanos) permanently inactive
Usage: an extinct volcano
Similar words: dead
Definition: physically inactive
Usage: Crater Lake is in the crater of a dead volcano of the Cascade Range
Definition: being out or having grown cold
Usage: threw his extinct cigarette into the stream; the fire is out
Similar words: dead
Definition: not showing characteristics of life especially the capacity to sustain life; no longer exerting force or having energy or heat
Usage: Mars is a dead planet; dead soil; dead coals; the fire is dead
Definition: no longer in existence; lost or especially having died out leaving no living representatives
Usage: an extinct species of fish; an extinct royal family; extinct laws and customs