An adversary is generally considered to be a person, group, or force that opposes and/or attacks.
Adversary may also refer to:
Satan ("adversary" in Hebrew), in Abrahamic religions
Entertainment Fiction Adversary (comics), villain from the Marvel comics universe The mysterious antagonist who invaded the homelands in the comic book series Fables
Music Ad·ver·sary, Canadian industrial musician
Law Adversarial system, a system of law commonly used in common-law countries Adversary proceeding, proceeding used in bankruptcy processes
Science Adversarial collaboration, a scientific experiment
Computer science Adversary (cryptography), a malicious entity in cryptography whose aim is to prevent the users of the cryptosystem from achieving their goal Adversary model, in online algorithms, used to show competitiveness of randomized algorithms Adversarial alignment, when an adversarial users constructs inputs that bypass AI alignment
Other Adversarial purchasing, in business strategic management
See also The Adversary (disambiguation) Opposition (disambiguation) Enemy