1. extinct - adjective
· 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"
Synonym(s): nonextant
Antonym(s): extant
2. extinct - adjective
· (of e.g. volcanos) permanently inactive; "an extinct volcano"
Antonym(s): active
3. extinct - adjective
· being out or having grown cold; "threw his extinct cigarette into the stream"; "the fire is out"
Synonym(s): out
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