Generally applied to an enemy, but strictly an opponent in single combat.
·adj Opposed; opposite; adverse; antagonistic. II. Adversary ·adj Having an opposing party; not uno...
Webster's Dictionary of the English Language
(Heb. satan), an opponent or foe (1 Kings 5:4; 11:14, 23, 25; Luke 13:17); one that speaks against a...
Easton's Bible Dictionary