- a person, group, or force that opposes or attacks; opponent; enemy; foe.
- a person, group, etc., that is an opponent in a contest; contestant.
- the devil; Satan.
- of or relating to an adversary.
- involving adversaries, as plaintiff and defendant in a legal proceeding: an adversary trial.
- a person or group that is hostile to someone; enemy
- an opposing contestant in a game or sport
- the US term for adversarial (def. 2)
