insanities

noun pl. insanities

1. the state of being insane; mental illness or derangement, usually excluding amentia: not a technical term
2. Law any form or degree of mental derangement or unsoundness of mind, permanent or temporary, that makes a person incapable of what is regarded legally as normal, rational conduct or judgment: it usually implies a need for hospitalization
3. great folly; extreme senselessness