apistle definition
An epistle (/É¨ËpÉªsÉl/ ; Greek á¼ÎµÏÎ¹ÏÏÎ¿Î»Î®, epistolÄ, letter) is a writing directed or sent to a person or group of people, usually an elegant and formal didactic letter.The epistle genre of letter-writing was common in ancient Egypt as part of the scribal-school writing curriculum.The letters in the New Testament from Apostles to Christians are usually referred to as epistles.he epistle genre of letter-writing was common in ancient Egypt as part of the scribal-school writing curriculum. The letters in the New Testament from Apostles to Christians are usually referred to as epistles.