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 …

An oft-quoted bon mot (frequently attributed to Albert Einstein, Benjamin Franklin, or a number of other people who probably never said it) is that insanity may be defined as “doing the same thing over and …

He fought against insanity. Il luttait contre la démence. (Traduction de insanity depuis le Dictionnaire GLOBAL anglais-français © 2016 K Dictionaries Ltd)

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

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.

Discover everything about the word "INSANITY" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

Dec 14, 2025 · But the bed-side of Lady Marchmont had a darker lesson than the grave, the ravings of insanity revealed the fiery world of that beating and passionate heart. Ethel could only feel too …

insanity, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Insanity is an ongoing state of extreme mental illness, which may cause abnormal or antisocial behaviors. If you bark at cats and meow at dogs, you might suffer from insanity.

insanity, in criminal law, condition of mental disorder or mental defect that relieves persons of criminal responsibility for their conduct.