Definition of master stroke in English:
An outstandingly skillful and opportune act; a very clever move.
- Confiscating everyone's toiletries on day one (replaced by a bare minimum of basics to share) is a master stroke.
- His ploy to unite the party behind the compromise of the current policy probably still feels a master stroke but he forgot the rest of Britain is less obsessed with Europe.
- Dividing the county into two main groups, with the first and second in each group to qualify for the semi-finals was a master stroke.