To buy back; recover by purchase; repurchase.Specifically— In law, to recover or disencumber, as mortgaged property, by payment of what is due upon the mortgage.In com., to receive back by paying the obligation, as a promissory note, bond, or any other evidence of debt given by a corporation, company, or individual.To ransom, release, or liberate from captivity or bondage, or from any obligation or liability to suffer or be forfeited, by paying an equivalent: as, to redeem prisoners, captured goods, or pledges.To rescue; deliver; save, in general.In theology, to deliver from sin and spiritual death by means of a sacrifice offered for the sinner. See redemption .To perform or fulfil, as a promise; make good by performance: as, to redeem an obligation.To make amends for; atone for; compensate for.To improve, or employ to the best advantage.To restore; revive.