Standard Lemma guide

brainstorm

noun · verb · 9 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈbɹeɪnstɔːm/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /ˈbɹeɪnstɔɹm/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪnstɔː(ɹ)m
  • CMU ARPABET: B R EY1 N S T AO2 R M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A sudden thought, particularly one that solves a long-standing problem.

Definition source: English Wiktionary via Wiktextract

Usage: US

Examples

  • I had been working on the problem for weeks, and then I had a brainstorm and saw that the solution was easy.

Meaning relationships

Synonyms: brainwave

Antonyms: none provided

2

noun

Meaning 2

A session of brainstorming, investigating a problem to try to find solutions.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An unexpected mental error.

Definition source: English Wiktionary via Wiktextract

Usage: UK

Examples

  • 2005 October 5, "Iguchi hit ruins Red Sox's night", BBC Online, 5 October A terrible fielding error from Tony Graffanino proved costly. ... Aaron Rowand collected an RBI double to get them off the mark before Graffanino's brainstorm. Juan Uribe hit a roller to the second baseman, who let the potential inning-ending double-play ball roll under his glove, leaving runners at first and third bases.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Alternative form of brain storm (“activity in the brain, such as a seizure or convulsion”).

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

Examples

  • electrical brainstorm

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To investigate something, or solve a problem using brainstorming.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To participate in a brainstorming session.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To think up (ideas); especially, to do so creatively.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • I need you to brainstorm some suggestions for next week's activity schedule.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

the clear (and often sudden) understanding of a complex situation

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: insight, brainwave

Antonyms: none provided

Broader terms: understanding, apprehension, discernment, savvy

Narrower terms: light, revelation, discovery, breakthrough, find, flash

9

verb

Meaning 9

try to solve a problem by thinking intensely about it

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: think, cogitate, cerebrate

History

Etymology

Etymology tree Proto-Indo-European *mregh- Proto-Indo-European *-n̥ Proto-Indo-European *mrógh-n̥ ~ *mrégh-n̥-s Proto-Germanic *bragną Proto-West Germanic *bragn Old English bræġn Middle English brayn English brain English storm English brainstorm 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.

Across languages

Translations

13 source translations are retained for this English entry.

  • Finnish: älynvälähdys — sudden thought
  • Finnish: välähdys — sudden thought
  • Finnish: neronleimaus — sudden thought
  • German: Geistesblitz — sudden thought
  • Māori: ohia manomano — sudden thought
  • Polish: olśnienie — sudden thought
  • Spanish: ocurrencia — sudden thought
  • Spanish: gracia — sudden thought
  • Swedish: aha-upplevelse — sudden thought
  • Spanish: solamente una idea [loca] — brainstorming
  • Finnish: moka — mental error
  • Polish: zaćmienie — mental error
  • Swedish: hjärnsläpp — mental error