Origin: 1375–1425;late Middle Englishredemen < Middle Frenchredimer < Latinredimere, equivalent to red-red- + -imere, combining form of emere to purchase (cf. emptor, ransom)
Related forms
pre·re·deem, verb (used with object)
un·re·deemed, adjective
Synonyms 1-3. repurchase. Redeem, ransom both mean to buy back. Redeem is wider in its application than ransom and means to buy back, regain possession of, or exchange for money, goods, etc.: to redeem one's property. To ransom is to redeem a person from captivity by paying a stipulated price, or to redeem from sin by sacrifice: to ransom a kidnapped child.8, 9. free, liberate, rescue, save.