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

Australia may well have won either way but Head's promotion was the masterstroke from which England have been unable to respond.

From BBC

The self-deprecating Northern Irishman might have carried himself with a humble air of astonishment over these last few weeks, but his presence has been a PR and coaching masterstroke.

From BBC

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