isolation (n.)

  1. a state of separation between persons or groups

  2. a feeling of being disliked and alone

  3. the act of isolating something; setting something apart from others

    [ Syn: closing off ]

  4. (psychiatry) a defense mechanism in which memory of an unacceptable act or impulse is separated from the emotion originally associated with it

  5. a country's withdrawal from international politics; he opposed a policy of American isolation'

The dictionary is based on the WordNet Electronic Lexical Database.
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