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English definition of “brainstorm”

brainstorm

verb [I or T] uk   /ˈbreɪn.stɔːm/ us    /-stɔːrm/
(of a group of people) to suggest a lot of ideas for a future activity very quickly before considering some of them more carefully: The team got together to brainstorm (the project).Suggestions and proposals

brainstorm

noun [C] uk   /ˈbreɪn.stɔːm/ us    /-stɔːrm/
UK informal a sudden state of being unable to think clearly: I must have had a brainstorm - I went shopping and forgot to take any money.Confusion, confusing and feeling confused US for brainwaveIdeas, concepts and theories
(Definition of brainstorm from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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