"extinct" in the adjective sense
1. extinct, nonextant
no longer in existence lost or especially having died out leaving no living representatives
"an extinct species of fish"
"an extinct royal family"
"extinct laws and customs"
2. extinct
of e.g. volcanos) permanently inactive
"an extinct volcano"
3. extinct, out
being out or having grown cold
"threw his extinct cigarette into the stream"
"the fire is out"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License