1. (

• champion ,
• champ ,
• title-holder

) someone who has won first place in a competition ;

2. (

• champion ,
• fighter ,
• hero ,
• paladin

) someone who fights for a cause ;

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" ;

4. (

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

) someone who is dazzlingly skilled in any field ;

1. (

• champion ,
• defend ,

) protect or fight for as a champion ;

1. (

• champion ,
• prizewinning

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