win-win ˌwin-ˈwin adjective [only before a noun]
used to describe a situation in which both sides involved gain something or are successful:

• The extra earnings available to lenders and the facility provided for borrowers make it a win-win situation.

• A spokesman for the company called the contract a 'win-win' settlement.

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win-win UK US /ˈwɪnwɪn/ adjective
a win-win situation or result is one that is good for everyone involved: »

This deal works for everyone. It's a win-win situation.

win-win noun [U]

It's a win-win for both the employer and the employee.

Financial and business terms. 2012.