(chiefly US) A person, usually a young, attractive female, who encourages applause and cheers at a sports event, and wearing a specially-designed uniform in the official colors of the team he/she cheers for.

plural of cheerleader

A physical activity in which cheerleaders organize elements of dance, gymnastics, and tumbling for judgment or to cheer on a team. / (figuratively) Automatic or servile praise.

present participle of cheerlead

(intransitive) To participate in cheerleading. / (transitive) To support someone enthusiastically.

simple past tense and past participle of cheerlead

Third-person singular simple present indicative form of cheerlead

A form of cognitive bias that causes individuals to appear more attractive to an observer when they are in a group.