Definitions

1. adjective

unconventional or quirky in behavior, style, or attitude

“She had a kooky sense of fashion, wearing brightly colored hats with flowers.”

2. adjective

slightly crazy or eccentric

“He’s a bit kooky, but we love him anyway.”

3. noun

an eccentric or unconventional person

“The kooky artist in the neighborhood is known for his bright paintings.”