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  1. Insanity - Wikipedia

    Insanity, madness, lunacy, and craziness are behaviors caused by certain abnormal mental or behavioral patterns. Insanity can manifest as violations of societal norms, including a person or …

  2. INSANITY Definition & Meaning - Merriam-Webster

    The meaning of INSANITY is a severely disordered state of the mind usually occurring as a specific disorder.

  3. INSANITY Definition & Meaning | Dictionary.com

    INSANITY definition: (not in technical use as a medical diagnosis) the condition of being insane; a derangement of the mind. See examples of insanity used in a sentence.

  4. INSANITY | definition in the Cambridge English Dictionary

    INSANITY meaning: 1. a very stupid, unreasonable, or dangerous action or situation: 2. the condition of being very…. Learn more.

  5. What is the definition of insanity? - HowStuffWorks

    Contrary to popular belief, insanity isn't defined as doing the same thing over and over and expecting a different result. And, while it is often used to describe certain states of mind, insanity is also not a …

  6. insanity noun - Definition, pictures, pronunciation and usage ...

    Definition of insanity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  7. insanity, n. meanings, etymology and more | Oxford English ...

    The condition of being insane; a state of mind that impedes the ability to think, reason, or behave in ways that are considered normal, esp. one caused by mental illness. Also in extended use.