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    Ex·tinct
    /ikˈstiNG(k)t/

    adjective

    • 1. (of a species, family, or other group of animals or plants) having no living members; no longer in existence: "trilobites and dinosaurs are extinct" Similar vanishedlostdied outdeadOpposite extantliving
    • 2. (of a volcano) not having erupted in recorded history: "the islands are the remains of extinct volcanoes" Similar inactiveoldformerno longer activeOpposite activedormant