insane


Definition: Meaning of, insane in English to English dictionary.

Pronunciation: / ɪnˈseɪn /

  • adjective
  • synonym
  • antonym
Word Forms:
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  1. informal completely stupid or crazy, often in a way that is dangerous
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  2. someone who is insane is permanently and seriously mentally ill so that they cannot live in normal society
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  3. the insane people who are mentally ill
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  4. drive somebody insane informal to make someone feel more and more annoyed or angry, usually over a long period of time [=  drive somebody mad]
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insane used in phrases

  • insane asylum (noun)
    1. a hospital for mentally incompetent or unbalanced person
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