Meaning of the word nutcase in English

What does nutcase mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

nutcase

US /ˈnʌt.keɪs/
UK /ˈnʌt.keɪs/

Noun

a crazy or eccentric person

Example:
He's a complete nutcase, always coming up with wild ideas.
Only a nutcase would try to climb that mountain in winter.