Champion
WordNet
adjective
(1) Holding first place in a contest
"A champion show dog"
"A prizewinning wine"
noun
(2) Someone who is dazzlingly skilled in any field
(3) Someone who fights for a cause
(4) Someone who has won first place in a competition
(5) A person who backs a politician or a team etc.
"All their supporters came out for the game"
"They are friends of the library"
verb
(6) Protect or fight for as a champion
WiktionaryText
Noun
- Someone who has been winner in a contest.
- Someone who is chosen to represent a group of people in a contest.
Adjective
champion (Ireland, colloquial)
- Denoting approval, something very positive.
- "That roller coaster was champion," laughed Vinny.