Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun champion
4 senses of champion
Sense 1
champion, champ, title-holder -- (someone who has won first place in a competition)
=> rival, challenger, competitor, competition, contender -- (the contestant you hope to defeat; "he had respect for his rivals"; "he wanted to know what the competition was doing")
Sense 2
champion, fighter, hero, paladin -- (someone who fights for a cause)
=> defender, guardian, protector, shielder -- (a person who cares for persons or property)
Sense 3
supporter, protagonist, champion, admirer, booster, friend -- (a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library")
=> advocate, advocator, proponent, exponent -- (a person who pleads for a cause or propounds an idea)
Sense 4
ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz -- (someone who is dazzlingly skilled in any field)
=> expert -- (a person with special knowledge or ability who performs skillfully)
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb champion
1 sense of champion
Sense 1
champion, defend -- (protect or fight for as a champion)
=> back, endorse, indorse, plump for, plunk for, support -- (be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960")
Antonyms of adj champion
1 sense of champion
Sense 1
champion, prizewinning -- (holding first place in a contest; "a champion show dog"; "a prizewinning wine")
INDIRECT (VIA best) -> worst -- ((superlative of `bad') most wanting in quality or value or condition; "the worst player on the team"; "the worst weather of the year")
Similarity of adj champion
1 sense of champion
Sense 1
champion, prizewinning -- (holding first place in a contest; "a champion show dog"; "a prizewinning wine")
=> best (vs. worst) -- ((superlative of `good') having the most positive qualities; "the best film of the year"; "the best solution"; "the best time for planting"; "wore his best suit")