Noah Webster's Dictionary 1. (a.) Past; gone by. 2. (n.) Something gone by or past; a past event.

Multi-Version Concordance Bygone (2 Occurrences) Romans 3:25 whom God did set forth a mercy seat, through the faith in his blood, for the shewing forth of His righteousness, because of the passing over of the bygone sins in the forbearance of God -- (YLT) Job 8:8 "Please inquire of past generations. Find out about the learning of their fathers. (See RSV)