win‧ning [only before noun]
the winning person or thing is the one that wins or makes you win a competition or game:
the winning team
The winning design came from an architect in Glasgow.
Beckham scored the winning goal.
making you very successful or likely to be successful:
a winning combination
As a business, they have found a winning formula.
a winning quality or way of doing something is one that makes other people like you [= attractive]: