kook
Kook (noun) means an eccentric or slightly crazy person. Example: “The neighbours dismissed him as a harmless kook.”
How to use kook
Learner’s notesIn plain EnglishAn odd or eccentric person, or, in surf culture, an overconfident beginner.
Informal, often used affectionately rather than as a real insult.
Word forms
- Plural
- kooks
Fill the gap
Can you complete this real example?
The neighbours dismissed him as a harmless _____.
Etymology
Possibly derived from "cuckoo", a word long used to describe someone a bit crazy.