Transgress is a verb that means to violate a law, to exceed a limit, to commit a crime, or to sin. Typical uses of transgressing in the Bible are to sin against God or to break his laws and commandments.
Transgression is the noun form of transgressing, which means a crime, a sin, or a breach or violation of the Law. In the Bible, the Israelites were often chastised by the prophets for their transgressions, that is for breaking the Law of God.
Key verse about Transgression: Everyone who sins breaks the law; in fact, sin is lawlessness. But you know that he appeared so that he might take away our sins. And in him is no sin. (1 John 3:3-5, NIV).
A lifelong student of the Bible, Peter DeHaan, PhD, wrote the 700-page website ABibleADay.com to encourage people to explore the Bible. His main blog and many books urge Christians to push past the status quo and reconsider how they practice their faith in every area of their lives.