Sin - definition of Sin by The Free Dictionary
Sin (sĭn) n. Mythology The Babylonian god of the moon. [Akkadian Sîn.] sin 1 (sĭn) n. 1. A transgression of a religious or moral law, especially when deliberate. 2. Theology a. Deliberate disobedience to the known will of God. b. A condition of estrangeme...