Synonyms for champion

Noun

1. champion, champ, title-holder, rival, challenger, competitor, competition, contender

usage: someone who has won first place in a competition

2. champion, fighter, hero, paladin, defender, guardian, protector, shielder

usage: someone who fights for a cause

3. supporter, protagonist, champion, admirer, booster, friend, advocate, advocator, proponent, exponent

usage: a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library"

4. ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz, expert

usage: someone who is dazzlingly skilled in any field

Verb

1. champion, defend, back, endorse, indorse, plump for, plunk for, support

usage: protect or fight for as a champion

Adjective

1. champion, prizewinning, best (vs. worst)

usage: holding first place in a contest; "a champion show dog"; "a prizewinning wine"