cheerleadingnoun [ U ]
uk/ˈtʃɪəˌliː.dɪŋ//ˈtʃɪr-/the activity of leading the crowd in shouting encouragement and supporting a team at a sports event. The activity usually involves dancing, chanting (= repeating a word or phrase), and special gymnastic movements:
Cheerleading combines a mixture of gymnastics, dance, and teamwork.
the fact of strongly supporting a particular idea or person:
He continued his cheerleading for the local candidate.