leave the ball in someone's court verb1 •To hand over the responsibility or choice to someone to make a decision or take action about something.His statement also left the ball in the Security Council’s court, for it is scheduled to discuss the report in August. Saudi Arabia has powerful backers on the Council, including the United States. — 2016 formsleft the ball in someone's court · leaving the ball in someone's court · leaves the ball in someone's court
