What is "pay back"

vb. 1 (context transitive English) to pay an amount of money owed to another, to repay 2 (context figuratively English) to exact revenge

1. v. act or give recompensation in recognition of someone's behavior or actions [syn: reward, repay]

2. take vengeance on or get even; "We'll get them!"; "That'll fix him good!"; "This time I got him" [syn: pay off, get, fix]