'Contestant' definitions:

Definition of 'contestant'

From: WordNet
noun
A person who participates in competitions
noun
A person who dissents from some established policy [syn: dissenter, dissident, protester, objector, contestant]

Definition of 'Contestant'

From: GCIDE
  • Contestant \Con*test"ant\, n. [Cf. F. contestant.] One who contests; an opponent; a litigant; a disputant; one who claims that which has been awarded to another. [1913 Webster]