stroke of genius

noun phrase
UK /strəʊk əv ˈdʒiːniəs/
US /stroʊk əv ˈdʒiːniəs/

A very smart idea that suddenly comes to you.

Putting wheels on the suitcase was a stroke of genius.


OTHER MEANINGS

2. A single brilliant action or achievement.

Her final move in the game was a stroke of genius.

3. A lucky or inspired decision that works out very well.

Choosing that little café for the party turned out to be a stroke of genius.

4. A moment of sudden creative brilliance in art or writing.

The ending of the story was a real stroke of genius.