(especially of banks) to take back property that was bought with borrowed money because the money was not being paid back as formally agreed

The bank is threatening to foreclose on the family's house. 银行威胁要取消这家人回赎住房的权利。

to prevent something from being considered as a possibility in the future

The leader's aggressive stance seems to have foreclosed any chance of diplomatic compromise. 这位领导人咄咄逼人的态度似乎已经排除了外交妥协的任何可能性。