adversary

• Adversary (comics), villain from the Marvel comics universe
• The mysterious antagonist who invaded the homelands in the comic book series Fables

• Ad·ver·sary, Canadian industrial musician

• Adversarial system, a system of law commonly used in common-law countries
• Adversary proceeding, proceeding used in bankruptcy processes

• Adversarial collaboration, a scientific experiment

• 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

• Adversarial purchasing, in business strategic management

• The Adversary (disambiguation)
• Opposition (disambiguation)
• Enemy

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