Phrase guide

brain storm

noun · verb · 3 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

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  • US: /ˈbɹ̠eɪn stoɹm/
  • Received-Pronunciation: /ˈbɹeɪn stɔːm/

1

noun

Meaning 1

A seizure, convulsion, or similar incident of abnormal brain activity.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, neurology, neuroscience, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Alternative form of brainstorm (“a sudden thought which solves a problem; a brainstorming session”).

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

Alternative form of brainstorm (“solve a problem with brainstorming”).

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From brain + storm. In the sense of "seizure, convulsion, brain activity", from the idea that it is like a storm in the brain. In the sense of "problem-solving idea or session", from the unrelated idea of using the "brain to storm a problem" (see brainstorm).