loony

word

/ˈɫuni/
/lˈuːni/

Definition

A slang word for someone who acts very strange or crazy; can refer to a person or behavior that is silly or wild.

Usage & Nuances

'Loony' is informal and mildly humorous but can sound insulting if said directly to someone. Often used for playful exaggeration ('he's a bit loony') or to describe silly, odd, or eccentric behavior. Avoid in formal settings.

Example Sentences

He's acting like a loony today.

basic

The movie was a bit loony, but I liked it.

basic

My uncle is a little loony, but everyone loves him.

basic

Only a loony would go swimming in the lake at midnight.

natural

She's got these loony ideas about traveling to space.

natural

Don't mind him, he's just a harmless loony.

natural