American English

Definition of extinct adjective from the Oxford Advanced American Dictionary



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  1. 1(of a type of plant, animal, etc.) no longer in existence an extinct species to become extinct The sea turtle is in danger of becoming extinct in the U.S. the fossilized remains of extinct animals
  2. 2(of a type of person, job, or way of life) no longer in existence in society Servants are now almost extinct in modern society.
  3. 3(of a volcano) no longer active opposite active
See the Oxford Advanced Learner's Dictionary entry: extinct