Loony and Nut case

Loony noun - A person judged to be legally or medically insane.

Nut case and loony are semantically related in lunatic topic. In some cases you can use "Nut case" instead a noun "Loony".

Nearby Word: loon

Nut case noun - A whimsically eccentric person.

Loony and nut case are semantically related in lunatic topic. You can use "Loony" instead a noun phrase "Nut case", if it concerns topics such as crackpot.