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"もはや現存していない滅んだ
例:an extinct species of fish 魚の絶滅種
being out or having grown cold; "threw his extinct cigarette into the stream"; "the fire is out"消えている、または、冷たくなっている消えた
例:threw his extinct cigarette into the stream 彼の消えているタバコを小川に投げた