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.

---

masterstroke British  

/ ˈmɑːstəˌstrəʊk /

noun

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

   your idea is a masterstroke

---

Etymology

Origin of masterstroke

First recorded in 1670–80; master + stroke ¹

Example Sentences

Some viewers see it as a thinly veiled endorsement of the policy - hailed in the film as a crippling masterstroke to weed out fake currency from Pakistan.

From BBC • Mar. 24, 2026

At the time it was billed as a public relations masterstroke for the monarchy, which was now modernizing by welcoming a mixed-race American celebrity into its ranks.

From The Wall Street Journal • Mar. 11, 2026

This hire is either a masterstroke that fuels the Trojans’ return to glory — or the point of no return for a head coach desperate to prove he’s not just a one-dimensional offensive savant.

From Los Angeles Times • Jan. 31, 2026

Using Andre Esterhuizen in two different positions for 40 minutes each was another masterstroke.

From Barron's • Nov. 9, 2025

But it is the masterstroke of the green spot, shining like a beacon in the middle of her forehead, that conveys the anguish of the girl’s confrontation with her inner self.

From "History of Art, Volume 1" by H.W. Janson