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Synonyms for

Insanity

Noun / ˌɪˈnsænʌti: / / ˌɪˈnsænɪti: / Another word for insanity — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

Insanity means the state of being seriously mentally ill or craziness.

Synonyms & similar words

sanity madness dementia delirium unreasonableness lunacy folly derangement craziness psychosis madhouse nuttiness insaneness aberration confusion

Synonyms by register

Formal

madness derangement lunacy craziness

Informal

craziness nuts bonkers loony batty

Literary

frenzy mania delirium

Antonyms

sanity reason rationality sobriety lucidity wisdom soundness

Common collocations

  • utter insanity
  • sheer insanity
  • legal insanity
  • clinical insanity
  • act of insanity
  • descent into insanity
  • circle of insanity

Word family

noun insanity
adjective insane

Usage note

While 'insanity' can refer to a legal or medical condition, it is often used informally to describe extreme foolishness or recklessness. Be mindful of the context to avoid trivializing serious mental health issues.

Compare "insanity" with another word →

Example sentences

  1. The man's insanity caused him to act irrationally.
  2. The court found him not guilty by reason of insanity.
  3. The asylum was filled with people suffering from insanity.
  4. The idea of jumping off a tall building is an act of insanity.
  5. She was diagnosed with insanity after exhibiting bizarre behavior.

Quotes

  • The definition of insanity is doing the same thing over and over again, but expecting different results. - Albert Einstein
  • Sanity and happiness are an impossible combination. - Mark Twain
  • Insanity is relative. It depends on who has who locked in what cage. - Ray Bradbury

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