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Definition of brainstorm

brainstorm

/ˈbreɪnˌstɔːrm/
brain · storm

Plural:brainstorms
•
Past Simple:brainstormed
•
Past Participle:brainstormed
•
Present Participle:brainstorming
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brainstorm Lexical Profile

brainstorm Game Scores & Validity

• verb

1

To produce an idea or way of solving a problem by holding a spontaneous group discussion or by thinking intensively.

Example

"The students gathered around the whiteboard to brainstorm topics for their science project."

Synonyms
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• noun

1

A spontaneous group discussion or session held to produce ideas and ways of solving problems.

Example

"We scheduled a quick brainstorm with the design team to come up with concepts for the new campaign."


2

North American A sudden, clever, or inspirational idea.

Example

"She had a sudden brainstorm on how to reorganize the warehouse more efficiently."


3

British A moment of sudden mental confusion, forgetfulness, or inability to think clearly.

Example

"He had a complete brainstorm on stage and forgot the opening lines of his speech."

Synonyms
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Word Nuance & Usage

In American English, the noun 'brainstorm' typically means a sudden clever idea, whereas in traditional British English it can mean a sudden moment of mental confusion or forgetfulness (where British speakers use 'brainwave' for a sudden good idea).

• Rhymes for brainstorm

Word Origin & Etymology

Coined in the late 19th century as a psychiatric term for a sudden, severe mental disturbance or manic outburst. The modern sense of generating creative ideas in a group was popularized in the 1940s by American advertising executive Alex Faickney Osborn.

Cite this Entry


Wordmom. (2026). Definition of Brainstorm. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/brainstorm
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