■ noun a person who is mentally ill (not in technical use).
↘an extremely foolish person.
Origin
ME: from OFr. lunatique , from late L. ~us , from L. luna 'moon' (from the belief that changes of the moon caused intermittent insanity).
■ noun a person who is mentally ill (not in technical use).
↘an extremely foolish person.
Origin
ME: from OFr. lunatique , from late L. ~us , from L. luna 'moon' (from the belief that changes of the moon caused intermittent insanity).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004