Epistle to the Romans epist·le·tot·heromans uncommon noun 1. a New Testament book containing an exposition of the doctrines of Saint Paul; written in AD 58 SynonymsEpistle of Paul the Apostle to the RomansEpistle to the RomansRomans Related words Broader terms book Parts New Testament WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.