Definition of "Sin" :

noun: an act that is regarded by theologians as a transgression of God's will

noun: estrangement from god

noun: the 21st letter of the Hebrew alphabet

noun: (Akkadian) god of the Moon; counterpart of Sumerian Nanna

noun: ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle

verb: commit a sin; violate a law of God or a moral law

verb: commit a faux pas or a fault or make a serious mistake