THESAURUS
Antagonist
Roscius, actor, actress, adversary, anti, antihero, archenemy, assailant, bad guy, barnstormer, bit, bit part, bitter enemy, cast, character, character actor, character man, character woman, child actor, combatant, competition, competitor, con, contender, cue, devil, diseur, diseuse, dramatizer, enemy, fat part, feeder, foe, foeman, foil, heavy, hero, heroine, histrio, histrion, ingenue, juvenile, lead, lead role, leading lady, leading man, leading woman, lines, match, matinee idol, mime, mimer, mimic, monologist, mummer, open enemy, opponent, opposer, opposing party, opposite camp, opposition, oppugnant, pantomime, pantomimist, part, person, personage, piece, playactor, player, protagonist, protean actor, public enemy, reciter, role, side, soubrette, stage performer, stage player, stooge, straight man, straight part, stroller, strolling player, supporting character, supporting role, sworn enemy, the loyal opposition, the opposition, theatrical, thespian, title role, trouper, utility man, villain, walk-on, walking part
ROGET THESAURUS
Antagonist
Opponent
N
opponent, antagonist, adversary, adverse party, opposition, enemy, the other side, assailant, oppositionist, obstructive, brawler, wrangler, brangler, disputant, filibuster, obstructionist, malcontent, Jacobin, Fenian, demagogue, reactionist, rival, competitor, bete noir.
Enemy
N
enemy, antagonist, foe, foeman, open enemy, bitter enemy, opponent, back friend, public enemy, enemy to society, every hand being against one, he makes no friend who never made a foe, with friends like that, who needs enemies?, Lord protect me from my friends, I can protect myself from my enemies.