adversary
/ˈæd.vəɹˌsɛɹi/ noun C1- A person, group, or thing that opposes or attacks another person or group; an opponent or rival. · He prepared to fight his adversary.
Plural adversaries
From the library
Sire, go, leave France to its real master, to him who acquired it, not by purchase, but by right of conquest; go, sire, not that you incur any risk, for your adversary is powerful enough to show you mercy, but because it would be humiliating for a grandson of Saint Louis to owe his life to the man of Arcola, Marengo, Austerlitz.’ Tell him this, Gérard; or, rather, tell him nothing.
He looked up at last with the expression of one who has seen his adversary make a dangerous move at chess, and has decided how to meet it.
The lantern was placed on the ground, the two adversaries took their stations, and the duel began.
The witnesses thought he was dead, but his adversary, who knew he had not struck him, offered him the assistance of his hand to rise.
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