- (idiomatic) to win money that has been lost.
- He lost $1000 in one hand, and spent most of the night trying to win it back.
- (idiomatic) To regain favour (with)
- (idiomatic) To get (someone) to be one's partner, after having been apart.
- John, my ex-boyfriend, said he wanted to see me again, so I told him how much I wanted him in an effort to win him back.