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 …

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

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.

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 …

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

a form of insanity or dementia praecox that can appear at puberty, characterized by foolish behavior and deterioration of the mental faculties.

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.