() if something given as security on a loan is unredeemed, it can be kept by the person, etc. who made the loan because the loan has not been paid back未被赎回的◆He had a drawerful of unredeemed pledges for loans he had made to students from his personal funds.他利用私人资金发放学生贷款，留下了大量未赎回担保。 () not exchanged for cash or goods未兑现的；未兑换的◆She has 35 000 unredeemed frequent-flier miles.她有 35 000 英里常客里程没有兑换。➡redeem