Adversary — Ad ver*sa*ry, n.; pl. {Adversaries}. [OE. adversarie, direct fr. the Latin, and adversaire, fr. OF. adversier, aversier, fr. L. adversarius (a.) turned toward, (n.) an adversary. See {Adverse}.] One who is turned against another or others with a… … The Collaborative International Dictionary of English
adversary — ad·ver·sary 1 / ad vər ˌser ē/ n: one that contends with or opposes another; esp: any of the opposing parties in a legal action adversary 2 adj: of, relating to, or involving opposing parties or interests; specif: of, relating to, or involving a… … Law dictionary
adversary — [n] opponent antagonist, attacker, bad person, bandit, competitor, contestant, enemy, foe, match, opposer, opposite number*, oppugner, rival; concept 412 Ant. ally, assistant, backer, friend, helper, helpmate, supporter … New thesaurus
Adversary (cryptography) — In cryptography, an adversary (rarely opponent, enemy) is a malicious entity whose aim is to prevent the users of the cryptosystem from achieving their goal (primarily privacy, integrity and availability of data). An adversary s efforts might… … Wikipedia
opponent — opponent, antagonist, adversary all denote one who expresses or manifests opposition. Unlike enemy they do not necessarily imply personal animosity or hostility. An opponent is one who is on the opposite side in a contest (as an argument,… … New Dictionary of Synonyms
adversary — (n.) mid 14c., aduersere, from Anglo French adverser (13c.), O.Fr. adversaire adversary, opponent, enemy, or directly from L. adversarius opponent, adversary, rival, noun use of adjective meaning opposite, hostile, contrary, lit. turned toward… … Etymology dictionary
opponent — [ə pō′nənt] n. [< L opponens, prp. of opponere < ob (see OB ) + ponere, to place: see POSITION] a person who opposes; person against one in a fight, game, debate, argument, etc.; adversary adj. 1. Rare opposite, as in position 2. opposing;… … English World dictionary
adversary — [ad′vər ser΄ē] n. pl. adversaries [ME < OFr adversarie < L adversarius < adversus, ADVERSE] a person who opposes or fights against another; opponent; enemy adj. of or characterized by opposing parties, as the plaintiff and defendant in a … English World dictionary
Opponent — Op*po nent, n. 1. One who opposes; an adversary; an antagonist; a foe. Macaulay. [1913 Webster] 2. One who opposes in a disputation, argument, or other verbal controversy; specifically, one who attacks some thesis or proposition, in distinction… … The Collaborative International Dictionary of English
opponent — I noun adversarius, adversary, adverse party, challenger, combatant, contender, cornval, disputant, one who opposes, opposer, opposing litigant, opposing party, opposite, opposite side, opposition, other side II index adversary, contender, cont … Law dictionary
adversary — ► NOUN (pl. adversaries) ▪ an opponent. ORIGIN Latin adversarius opposed, opponent … English terms dictionary