Loony

/ˈluːni/

Meaning & Definition

noun

A crazy or eccentric person.

Don't mind her; she's just a loony who's always coming up with wild stories.

Informal term for someone who is acting irrationally.

After his latest stunt, the media labeled him a loony.

adjective

Crazy or eccentric; foolish.

He has some loony ideas about how to solve the world's problems.

Dressed or behaving in an unconventional way; zany.

The party was full of loony costumes that made everyone laugh.

Derived from 'lunatic', related to the moon, implying craziness.

loony tunes

referring to silly or nonsensical behavior, also a famous cartoon series.

loony bin

informal term for a mental hospital.

lunatic

an insane person.

eccentric

a person with unconventional and slightly strange views or behavior.

Wacky or goofy.

He's acting so loony today, it's hilarious!

Strange or unusual.

That loony behavior isn't typical of him.