brainwave
Brainwave (noun) means a sudden clever idea or inspiration. Example: “He had a brainwave and fixed the bug in minutes.”
How to use brainwave
Learner’s notesIn plain EnglishEither a flash of inspiration, or the measurable electrical activity of the brain.
The "sudden good idea" sense is more common in British English; Americans more often say "brainstorm."
Word forms
- Plural
- brainwaves
Fill the gap
Can you complete this real example?
He had a _____ and fixed the bug in minutes.
Etymology
Formed from brain and wave.