Scrabble Dictionary

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Alien

ˈeɪliən

Alien definitions
adjective
alien
  1. belonging to a foreign country

    "an alien culture"

    • (of a plant or animal species) introduced from another country and later naturalized

      "many food chains are based upon alien plants"

  2. unfamiliar and disturbing or distasteful

    "principles that are alien to them"

    unfamiliar unknown unheard of foreign incompatible with unusual for opposed to conflicting with contrary to adverse to in conflict with at variance with antagonistic to
  3. supposedly from another world; extraterrestrial

    "alien beings"

    extraterrestrial other-worldly unearthly
noun
alien aliens
  1. a foreigner, especially one who is not a naturalized citizen of the country where he or she is living

    "an enemy alien"

    • a plant or animal species originally introduced from another country and later naturalized
  2. a hypothetical or fictional being from another world

    "she discovers that the alien's spaceship has crashed"