brainstorm
noun/ˈbreɪnstɔːm/
/ˈbreɪnstɔːrm/
[singular]- (British English) a sudden failure to think clearly which causes unusual behaviour
- She had a brainstorm in the exam and didn't answer a single question.
- (North American English) (also brainwave British and North American English)a sudden good idea
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brainstorm