masterstroke

American  

[mas-ter-strohk, mah-ster-] / ˈmæs tərˌstroʊk, ˈmɑ stər- /

Or master stroke

noun

1. a masterly action or achievement; an extremely skillful or effective action.

   War was avoided by a masterstroke of diplomacy.

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masterstroke British  

/ ˈmɑːstəˌstrəʊk /

noun

1. an outstanding piece of strategy, skill, talent, etc

   your idea is a masterstroke

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Etymology

Origin of masterstroke

First recorded in 1670–80; master + stroke ¹

Example Sentences

But promoting her to No 3 was the masterstroke that transformed India's campaign.

From BBC

But keeping hold of one star - Antoine Semenyo - proved an absolute masterstroke as the Ghana winger has been the inspiration behind their climb to second spot in the Premier League.

From BBC

That is surely a powerful motivator for half of his team and potentially a Bradley masterstroke.

From BBC

Orbán’s co-opting of the media was his masterstroke — and it has succeeded in keeping the majority of Hungarians in his camp for a long time.

From Salon

In a masterstroke of marketing, he built his bridge to the movie industry with a clear intention.

From Los Angeles Times