champion

1 the person who comes in first in a competition the champion of the national spelling bee Synonyms of champion champ, titleholder, titlist, victor, winner Words Related to champion cochampion, cowinner; placer; finalist, quarterfinalist, semifinalist; medalist (or medallist), prizewinner; megastar, star, superstar; world-beater Near Antonyms of champion loser

2 a person who actively supports or favors a cause she's the biggest champion of budget reform in the Congress Synonyms of champion advocate, advocator, apostle, backer, booster, exponent, expounder, espouser, friend, gospeler (or gospeller), herald, hierophant, high priest, paladin, promoter, proponent, protagonist, supporter, true believer, tub-thumper, white knightWords Related to champion loyalist, partisan (also partizan), stalwart; adherent, cohort, disciple, follower; interpreter; applauder, cheerleader, encourager, fellow travelerNear Antonyms of champion enemy, foe, rival; belittler, critic, faultfinderAntonyms of champion adversary, antagonist, opponent

to promote the interests or cause of he has always championed the protection of abused animals Synonyms of champion advocate, back, support, endorse (also indorse), patronize, plump (for), plunk (for) or plonk (for)Words Related to champion adopt, embrace, espouse; abet, aid, assist, help, prop (up), second, side (with); backstop, bolster, boost, buttress, reinforce (also reenforce); advance, forward, further; plug, preach, talk up; bail out, deliver, rescue, saveNear Antonyms of champion baffle, foil, frustrate, interfere, oppose, sabotage, thwart; desert, disappoint, fail, let down