insanity

/ɪnˈsænɪti/

Proposed by a contributor, not yet supported by evidence.

Also seen as: insanities

Meaning · English

The state of being insane; madness.

Noun

Examples

The defendant pleaded insanity in the hope of getting a reduced sentence.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “insanity” mean?

The state of being insane; madness.

Is “insanity” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.