English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

brainwave

Quiz me More like this

Brainwave (noun) means a sudden clever idea or inspiration. Example: “He had a brainwave and fixed the bug in minutes.”

noun
1
A sudden clever idea or inspiration.
"He had a brainwave and fixed the bug in minutes."
2
A rhythmic pattern of electrical activity in the brain, as measured by an EEG.
"The device tracks brainwave activity during sleep."

How to use brainwave

Learner’s notes

In plain EnglishEither a flash of inspiration, or the measurable electrical activity of the brain.

UK vs US

The "sudden good idea" sense is more common in British English; Americans more often say "brainstorm."

Common pairings
have a brainwave brainwave activity
Vocabulary Flow
Build your vocabulary from words like brainwave.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice

Word forms

Plural
brainwaves
Test yourself on “brainwave” A quick quiz — meaning, synonyms & usage →

Fill the gap

Can you complete this real example?

He had a _____ and fixed the bug in minutes.

Etymology

Formed from brain and wave.

insight brainstorm brain wave cortical potential

Related words

Rhymes for brainwave

See all rhymes for brainwave →

Frequently asked questions

What does “brainwave” mean?
The word “brainwave” means a sudden clever idea or inspiration. In plain terms, either a flash of inspiration, or the measurable electrical activity of the brain.
How do you use “brainwave” in a sentence?
Here is “brainwave” used in a sentence: “He had a brainwave and fixed the bug in minutes.”
What part of speech is “brainwave”?
“Brainwave” is a noun.
How many meanings does “brainwave” have?
“Brainwave” has 2 distinct senses listed in this dictionary. The most common is: a sudden clever idea or inspiration.

People also searched