kooky

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Eccentric, strange, or foolish; crazy or insane; kookish.

Register: slang

Where it’s used: Used American English

Examples

His kooky behavior seemed charming at first, but soon got on our nerves.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “kooky” mean?

Eccentric, strange, or foolish; crazy or insane; kookish.

Is “kooky” formal or informal?

kooky is generally slang.