Student Thesaurus

One entry found for insanity.
Entry Word: insanity
Function: noun
Text: 1 a serious mental disorder that prevents one from living a safe and normal life <his insanity requires that he spend the rest of his life in a mental hospital>
Synonyms aberration, dementia, derangement, lunacy, madness, mania
Related Words irrationality, unreasonableness; delirium, frenzy, hysteria; neurosis, psychosis, schizophrenia; delusion, hallucination, obsession, phobia; abnormality, unsoundness
Near Antonyms lucidity, rationality, reasonableness; normality, soundness
Antonyms mind, saneness, sanity
2 a foolish act or idea <everyone laughed at the latest insanity from the town eccentric> -- see FOLLY 1
3 lack of good sense or judgment <had the insanity to think that taking over a government building in protest of our foreign policy was a good idea> -- see FOOLISHNESS 1