A stroke of genius Meaning in English
expression
Definition
A sudden brilliant idea or action that shows great intelligence or creativity.
Usage & Nuances
Common in both formal and informal settings to praise exceptional ideas. Often used for creative solutions or inventions. Not used for ordinary good ideas—implies something unusually smart or inspired. Can refer to moments, decisions, or small actions.
Example Sentences
Inventing the light bulb was a stroke of genius.
basic
Her solution to the problem was a stroke of genius.
basic
Adding that ingredient was a stroke of genius.
basic
Bringing an umbrella on a sunny day turned out to be a stroke of genius when it started raining unexpectedly.
natural
That last-minute change to the presentation was a stroke of genius—the audience loved it.
natural
Putting all the meeting notes in one shared document was a stroke of genius—now everyone stays updated.
natural