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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.

Had his adversaries been able to read his mind, they would have booked themselves rooms at the Château d’If.

From The Wall Street Journal

For the Pentagon, there is another benefit to demonstrating its missile capabilities in combat: It sends a message to China and other potential adversaries.

From The Wall Street Journal

For example, they might create a “back door” that an external adversary could take advantage of, he said.

From The Wall Street Journal

Other provisions in the bill include new due diligence standards to prevent any tech from falling into the hands of adversaries such as China — another concern of Ernst.

From Los Angeles Times

The trailer ends with a dramatic clip of Chani running towards an unseen adversary, before fading to black.

From BBC