mental derangement

Definitions

A severe disturbance or disorder of the mind that impairs a person's ability to function or perceive reality.

A state of insanity or madness characterized by irrational behavior or loss of cognitive control.

Examples

The defense attorney argued that the defendant was suffering from a state of temporary mental derangement at the time of the crime.

His sudden and erratic behavior led many of his colleagues to suspect he was experiencing a form of mental derangement.

Synonyms

insanity madness psychosis lunacy mental instability derangement unbalanced state

Antonyms

sanity lucidity mental clarity rationality soundness of mind reason normalcy