Brainwave
n.capable, hopefulplayful
What it means
A sudden clever idea that offers a useful solution.
Reach for it when celebrating an insight that arrives quickly and changes the approach
One timely brainwave cut the exhibition's power demand in half.
Choose between these
6- playful
eureka moment
the instant of discovery deserves vivid familiar language
not when The phrase dramatizes a process that may have involved long collective work.
- warm
bright idea
informal praise for a promising practical thought fits the voice
not when Bright idea can be sarcastic when tone is unclear.
- professional
the idea resolves a stubborn barrier and advances the work
not when Breakthrough is too strong before the idea has been tested.
- professional
new understanding reveals how a problem works
not when Insight can develop gradually and need not propose a solution.
- literary
flash of genius
exceptional brilliance in a sudden idea is genuinely warranted
not when The phrase overpraises ordinary ingenuity and centers one person.
- literary
creative stimulus or idea feels sudden and energizing
not when Inspiration may be emotionally powerful without being useful.
Said against
3- mental block
- bad idea
- miscalculation
It naturally appears in
3- sudden brainwave
A sudden brainwave turned the unused crates into display stands.
- have a brainwave
A designer may have a brainwave while watching the queue form.
- brilliant brainwave
Her brilliant brainwave reused the warm exhaust air.
Where this comes from
- Wiktionary, English noun sense: sudden clever idea opens in a new tab · retrieved 2026-07-26
The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.