ETYM Latin transgressio a going across, going over, transgression of the law, from transgredi, transgressus, to step across, go over; trans over, across + gradi to step, walk: cf. French transgression. Related to Grade.
1. The act of transgressing, or of passing over or beyond any law, civil or moral.
2. The violation of a law or known principle of rectitude; breach of command; fault; offense; crime; sin.