verb
noun
Freq #24311
Meanings
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1
verb
To think up many ideas quickly, often as a group.
Let's brainstorm some ideas for the new project.
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2
noun
A sudden good idea, especially one that solves a problem.
I had a brainstorm and finally saw the answer.
Thesaurus
Etymology
From brain + storm. In the sense of "problem-solve", devised as a method of group creative problem-solving by advertising executive Alex F. Osborn and his employees, who coined the term based on the image of using "the brain to storm a problem". First use appears c. 1945. In the sense of "seizure, convulsion, brain activity", from the unrelated idea that it resembles a storm in the brain. First use appears c. 1861.