ransomEnglishOxford American Thesaurusransom noun 1 the kidnappers demanded a huge ransom: payoff, payment, price. 2 the ransom of the prisoners: release, freedom, setting free, deliverance, liberation, rescue, redemption, restoration.verb the girl was subsequently ransomed for $4 million: obtain the release of, exchange for a ransom, buy the freedom of, release, free, deliver, liberate, rescue, redeem, restore to freedom.