- a person who leads spectators in cheering, usually a member of a team that performs dance, acrobatic, and tumbling routines at sporting events or in competitions with other teams.
- a person who encourages and openly supports the success of a person or cause: Her dad has always been her biggest cheerleader.He emerged as a cheerleader for the rights of the incarcerated.
- a person who leads a crowd in formal cheers, esp at sports events
