AskDefine | Define adversary

Dictionary Definition

adversary n : someone who offers opposition [syn: antagonist, opponent, opposer, resister] [ant: agonist]

User Contributed Dictionary

see Adversary




  • /ædvəsɛɹiː/




Extensive Definition

Adversary may refer to:
in religion:
  • Satan, whose name means adversary in the Hebrew language.
In computer science:
  • Adversary (cryptography), malicious entity in cryptography whose aim is to prevent the users of the cryptosystem from achieving their goal.
  • Adversary (online algorithm), the adversary model is used in online algorithms in order to show competitiveness of randomized algorithms.
In fiction:
In music:
In law:

Synonyms, Antonyms and Related Words

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