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Synonyms

adversary

American  
[ad-ver-ser-ee] / ˈæd vərˌsɛr i /

noun

plural

adversaries
  1. a person, group, or force that opposes or attacks; opponent; enemy; foe.

    Antonyms:
    ally
  2. a person, group, etc., that is an opponent in a contest; contestant.

  3. the Adversary, the devil; Satan.


adjective

  1. of or relating to an adversary.

  2. involving adversaries, as plaintiff and defendant in a legal proceeding.

    an adversary trial.

adversary British  
/ ˈædvəsərɪ /

noun

  1. a person or group that is hostile to someone; enemy

  2. an opposing contestant in a game or sport

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. the US term for adversarial

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

Adversary, antagonist mean a person or a group contending against another. Adversary suggests an enemy who fights determinedly, continuously, and relentlessly: a formidable adversary. Antagonist suggests one who, in hostile spirit, opposes another, often in a particular contest or struggle: a duel with an antagonist.

Other Word Forms

  • adversariness noun
  • nonadversarial adjective

Etymology

Origin of adversary

First recorded in 1300–50; Middle English adversarie, from Latin adversārius; equivalent to adverse + -ary; replacing Middle English adversere, from Anglo-French

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It will be more orderly and less chaotic, less driven by impulse and vendetta, more discriminating between allies and adversaries.

From The Wall Street Journal

He is fond of reminding reporters that he prefers to keep his intentions to himself and a small circle of insiders to avoid potential adversaries knowing his next moves.

From BBC

The only question is if adversaries will adopt AI faster than defenders are permitted or encouraged to.

From The Wall Street Journal

Economic sanctions can bring critical pressure on foreign adversaries.

From The Wall Street Journal

Because that designation is typically used for foreign adversaries, the move would mark an unusual rebuke of a U.S. company.

From The Wall Street Journal