Adversary(Heb. satan), an opponent or foe (1 Kings 5:4; 11:14,23,25; Luke 13:17); one that speaks against another, a complainant (Matthew 5:25; Luke 12:58); an enemy (Luke 18:3), and specially the devil (1 Peter 5:8).
These dictionary topics are from M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition, published by Thomas Nelson, 1897. Public Domain, copy freely.