champion: meaning and definitions

One that wins first place or first prize in a competition.

One that is clearly superior or has the attributes of a winner: a champion at teaching.

An ardent defender or supporter of a cause or another person: a champion of the homeless.

One who fights; a warrior.

To fight for, defend, or support as a champion: championed the cause of civil rights. See Synonyms at support.

Obsolete To defy or challenge.

Holding first place or prize: a champion show dog.

Superior to all others: "the champion playboy of the Western World” ( John Millington Synge).