Definition & Meaning of "lunatic"in English

lunatic

suffering from a severe mental illness

brainsick

crazy

deranged

insane

mad

Examples

In ancient times, people believed that the moon could cause lunatic behavior in individuals.

Lunatic

a person who is mentally ill or exhibits extreme irrational behavior

crazy

loony

nutcase

nutter

wacko

Examples

The townsfolk avoided the old mansion, fearing the lunatic that resided within.

a person who acts foolishly or dangerously

Examples

The lunatic jumped into the freezing lake on a dare.

Lexical Tree

lunatic

lun

Nearby Words

Download Mobile App