Word parts change

brain + storm

Pronunciation change

Verb change

Plain form
brainstorm

Third-person singular
brainstorms

Past tense
brainstormed

Past participle
brainstormed

Present participle
brainstorming

  1. If you brainstorm, you engage in a group discussion to think of ideas.

Noun change

Singular
brainstorm

Plural
brainstorms

  1. (countable) (US) A brainstorm is a sudden thought that solves a problem.
  2. (countable) (UK) A brainstorm is an unexpected mental error.
  3. (countable) A brainstorm is a brainstorming session.