Lunatic (noun / adjective) — مجنون: An extremely foolish or reckless person; informal and often offensive. Formerly used for someone considered mentally ill, a sense now avoided. Below are 7 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
A man who behaves in a wild or extremely foolish way; formerly, a man considered mentally ill, a use now avoided.
A person who behaves in an extremely wild or obsessive way; informal, sometimes offensive.
A person who acts unwisely; to trick someone.
A foolish person (an offensive insult).
crackpotnutcasereckless
A person with a personality disorder marked by lack of empathy and antisocial behaviour.