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English definition of “extinct”

extinct

adjective [not gradable]    /ɪkˈstɪŋkt/
no longer existing: There is concern that the giant panda will soon become extinct. An extinct volcano (= mountain made from burned materials) is one that is no longer active. extinction    /ɪkˈstɪŋk·ʃən/ noun [U] Many species of plants and animals are threatened with extinction.
(Definition of extinct adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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