brainstorm

1 of 2

verb

brain·​storm ˈbrān-ˌstȯrm 

brainstormed; brainstorming; brainstorms

transitive + intransitive

: to try to solve a problem or come up with new ideas by having a discussion that includes all members of a group : to discuss a problem or issue and suggest solutions and ideas

Students from Paris, Milan, Tokyo, and New York were invited to the Cambridge campus to brainstorm with MIT students on the marriage of couture and computer.

—Elizabeth Thrasher

Engineers are only beginning to brainstorm possible reasons that Polar Lander might have kept silent.

—Sharon Begley

see also brainstorming

brainstormer noun

plural brainstormers

In fact, the speakers joined the attendees as collaborative brainstormers in an exercise to find solutions to some truly global problems …

—Amy Schrier

brainstorm

2 of 2

noun

plural brainstorms

1

a

: a sudden bright idea

Another French immigrant to the Quaker City, Eugene Roussel, had a brainstorm that raised the curtain on a new era in the history of carbonated beverages.

—David M. Schwartz

b

: the act of brainstorming : a group discussion for the purpose of solving a problem or coming up with new ideas

Once the brainstorms are done, however, everyone needs to get their individual pieces of the creative puzzle done as effectively and efficiently as possible.

—Denise Blasevick

c

: a harebrained idea

The layout looks as though it is the brainstorm of the art director of a struggling new advertising agency after a three-martini lunch.

—Sloan Wilson

2

British, informal : a temporary state of confusion : a period of unclear thinking

… Smith's rise was interrupted by a brainstorm, a failure of logic, a loss of bearings that will now stay with him for the rest of his life.

—Paul Hayward

3

dated : a violent transient fit of insanity

Synonyms

Verb

• communicate
• intercommunicate

Examples of brainstorm in a Sentence

Verb

they brainstormed about ways to raise money for their organization

Her latest brainstorm is to convert the garage into an apartment.

Recent Examples on the Web

Verb

Pizza lunches or bagel breakfasts are brainstorming hot houses. —Eli Amdur, Forbes.com, 26 June 2025

On Sunday, the DC boss responded to news that a contingent of Zack Snyder fans are brainstorming ways to undermine the success of Gunn's upcoming Superman film, which sees David Corenswet make his debut as the titular hero. —Shania Russell, EW.com, 16 June 2025

Di Tomassi and Scales brainstormed with the Cornell Advancing Science and Policy Club about what to do in response and landed on the idea of having researchers tell their own stories. —Tyler Kingkade, NBC news, 12 June 2025

By 2019, a faculty committee was brainstorming ways to set up the Racial Justice Institute and spread it over the law center, medical center, and main campus. —Robert Schmad, The Washington Examiner, 6 June 2025

Word History

First Known Use

Verb

1945, in the meaning defined above

Noun

circa 1861, in the meaning defined at sense 3

Rhymes for brainstorm

• conform
• deform
• firestorm
• hailstorm
• inform
• landform
• lukewarm
• perform
• planform
• platform
• preform
• rainstorm

Kids Definition

brainstorm

noun

brain·​storm ˈbrān-ˌstȯ(ə)rm 

: a sudden inspiration or idea