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Definitions of extinct
  1. 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"

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  2. adjective
    being out or having grown cold
    "threw his extinct cigarette into the stream"

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  3. adjective
    (of e.g. volcanos) permanently inactive
    "an extinct volcano"

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Definition that contains extinct
  • gothic extinct East Germanic language of the ancient Goths; the only surviving record being fragments of a 4th-century translation of the Bible by Bishop Ulfilas
  • neanderthal extinct robust human of Middle Paleolithic in Europe and western Asia
  • dodo extinct heavy flightless bird of Mauritius related to pigeons
  • solitaire extinct flightless bird related to the dodo
  • moa extinct flightless bird of New Zealand
  • pterodactyl extinct flying reptile
  • mastodon extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth
  • australopithecus extinct genus of African hominid
  • plesiosaur extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
  • archaeopteryx extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds
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