The Sadducees were a Jewish sect that did not believe in the resurrection (Acts 23:8). They were often in opposition to the more prevalent Pharisees; both were often criticized by Jesus (Matthew 16:6).
(A humorous and clever childhood memory aid is that the Sadducee did not believe in resurrection, that is why they were “sad, you see.”)
Compare to Pharisee.
A lifelong student of the Bible, Peter DeHaan, PhD, wrote the 1,000-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.