a person, group, or force that opposes or attacks; opponent; enemy; foe.
a person, group, etc., that is an opponent in a contest; contestant.
the Adversary, the devil; Satan.
of or relating to an adversary.
involving adversaries, as plaintiff and defendant in a legal proceeding: an adversary trial.
- ad·ver·sar·i·ness, noun
- non·ad·ver·sar·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use adversary in a sentence
It is, after all, supposed to be a secret business whose practices and methods are not known to adversaries or friends.
The North Koreans are usually willing to talk for various reasons: to get aid, to divide their adversaries, to create confusion.
They were not political allies, but they were not bitter adversaries, either, Barone recalls.Missouri Governor Jay Nixon Shows Us How Not to Govern | Eleanor Clift | August 19, 2014 | THE DAILY BEAST
Develop better systems and techniques than your adversaries.Mike Leach Tackles Geronimo the Motivational Murderer | James A. Warren | August 17, 2014 | THE DAILY BEAST
Soviet SAMs were to become one of the most formidable and feared adversaries in wars cold and hot.Russia’s Missiles Stung the World Long Before MH17 | Clive Irving | July 20, 2014 | THE DAILY BEAST
Distances were to him as nothing; and difficulties only stimulated him to give his adversaries a more signal overthrow.The Pastor's Fire-side Vol. 3 of 4 | Jane Porter
He made a violent assault against the nation of his enemies, and in the descent he destroyed the adversaries.The Bible, Douay-Rheims Version | Various
As unto revenge, as it were to repay wrath to his adversaries, and a reward to his enemies: he will repay the like to the islands.The Bible, Douay-Rheims Version | Various
The Girondists had recently been called in the journals and inflammatory speeches of their adversaries the Rolandists.Madame Roland, Makers of History | John S. C. Abbott
But the dominant party, elated by the victory which they had gained over their adversaries, were encouraged to fresh extortions.Madame Roland, Makers of History | John S. C. Abbott
British Dictionary definitions for adversary
a person or group that is hostile to someone; enemy
an opposing contestant in a game or sport
the US term for adversarial (def. 2)
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