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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 unnerved some in the button-down workforce who voiced concern that the party-boy image could strain partnerships with other law-enforcement agencies and make bureau leadership seem weak in the eyes of foreign adversaries.

From The Wall Street Journal

It took countries like Ukraine and Israel time to learn how to effectively defend against the threat of drones fired by adversaries.

From The Wall Street Journal

War markets have been a particularly sensitive topic for prediction markets, given that information about strikes against foreign adversaries could rely on highly classified information, and those bets could put lives in danger.

From The Wall Street Journal

The president’s strategy is coherent and prudent: By systematically pressuring exposed adversaries, the influence of strategic rivals is undercut.

From The Wall Street Journal

“Indirect alignment among U.S. adversaries — even without a formal alliance — would create a cascading effect.”

From Los Angeles Times