or mas·ter stroke
a masterly action or achievement; an extremely skillful or effective action: War was avoided by a masterstroke of diplomacy.
Origin of masterstroke
First recorded in 1670–80; master
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for master-stroke
Historical Examples of master-stroke
Yes, you have not yet heard Marmaduke's master-stroke of policy!
Long after Bar got made Attorney-General, this was told of him as a master-stroke.
It was a master-stroke: and he had staked a good deal on it.
Surely this was the very triumph of crime, a master-stroke of villany.
On the other hand, I see here a great chance for a master-stroke.
British Dictionary definitions for master-stroke
an outstanding piece of strategy, skill, talent, etcyour idea is a masterstroke
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for master-stroke
"masterly line or touch" (especially in painting), 1670s, from master (n.) + stroke (n.). Probably based on a Dutch or German model.
Online Etymology Dictionary, © 2010 Douglas Harper