brainwave: meaning, definition, pronunciation and examples
B2Informal for the 'idea' sense; Technical/Medical for the 'EEG' sense.
Quick answer
What does “brainwave” mean?
A sudden clever idea or insight.
Audio
Pronunciation
Definition
Meaning and Definition
A sudden clever idea or insight.
1. A sudden clever idea or moment of inspiration. 2. (Technical/Medical) A rhythmic electrical impulse produced by the brain, as measured by an electroencephalogram (EEG).
Dialectal Variation
British vs American Usage
Differences
The 'sudden idea' sense is common in both varieties. The term 'brainwave' for the idea is slightly more established in British English. American English may more readily use 'brainstorm' for a similar concept, though 'brainwave' is perfectly understood.
Connotations
Both convey a positive, clever insight. No significant difference in connotation.
Frequency
Slightly more frequent in British English for the 'idea' sense. The technical sense is equally used in scientific contexts globally.
Grammar
How to Use “brainwave” in a Sentence
[Subject] has/had a brainwave[Subject]'s brainwave was to [verb]...Vocabulary
Collocations
Examples
Examples of “brainwave” in a Sentence
verb
British English
- N/A
American English
- N/A
adverb
British English
- N/A
American English
- N/A
adjective
British English
- N/A
American English
- N/A
Usage
Meaning in Context
Business
"The marketing team's brainwave led to the viral campaign."
Academic
"The researcher's brainwave provided a novel solution to the long-standing paradox."
Everyday
"I just had a brainwave—let's check the shed for the keys!"
Technical
"The EEG showed abnormal alpha brainwave patterns."
Vocabulary
Synonyms of “brainwave”
Vocabulary
Antonyms of “brainwave”
Watch out
Common Mistakes When Using “brainwave”
- Using it as a verb (e.g., 'I brainwaved a solution' is incorrect). Confusing it with 'brainstorm', which is often a group activity or verb.
FAQ
Frequently Asked Questions
Not exactly. A 'brainwave' is typically a single, sudden clever idea had by an individual. A 'brainstorm' is often a group session for generating many ideas, or can mean a sudden fit of confusion or anger.
No, 'brainwave' is only a noun. The related verb is 'brainstorm' (e.g., 'Let's brainstorm some ideas').
The everyday meaning is a metaphorical 'sudden clever idea'. The technical meaning refers to literal, measurable electrical activity in the brain (e.g., alpha brainwaves). Context makes the meaning clear.
It is standardly written as one word: 'brainwave'. The hyphenated form 'brain-wave' is now rare.
A sudden clever idea or insight.
Brainwave is usually informal for the 'idea' sense; technical/medical for the 'eeg' sense. in register.
Brainwave: in British English it is pronounced /ˈbreɪnweɪv/, and in American English it is pronounced /ˈbreɪnweɪv/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “A lightbulb moment (similar concept)”
Learning
Memory Aids
Mnemonic
Think of a WAVE of thought crashing in your BRAIN. A brainwave is a sudden wave of clever thought.
Conceptual Metaphor
IDEAS ARE ELECTRICAL IMPULSES / THINKING IS A PHYSICAL FORCE.
Practice
Quiz
In which context is 'brainwave' LEAST likely to be used?