nutcase
Nutcase (noun) means Informal: a crazy, eccentric, or foolish person. Example: “Only a nutcase would go swimming in that weather.”
How to use nutcase
Learner’s notesIn plain EnglishA casual, slightly mocking word for someone acting crazy or foolish.
Informal and can be mildly insulting; use with care.
Word forms
- Plural
- nutcases
Fill the gap
Can you complete this real example?
Only a _____ would go swimming in that weather.
Etymology
A compound of nut (in the sense of "crazy person") and case, as in "headcase".