|[This is a MPIWG MPDL language technology service]|
Adversary (n.) One who is turned against another or others with a design to oppose or resist them; a member of an opposing or hostile party; an opponent; an antagonist; an enemy; a foe.
Adversary (a.) Opposed; opposite; adverse; antagonistic.
Adversary (a.) Having an opposing party; not unopposed; as, an adversary suit.