1. A sports competition organized at the local or amateur level, typically by community members rather than professional organizations, emphasizing participation over elite performance
The grassroots tournament attracted hundreds of young players from the neighborhood.
O torneio comunitário atraiu centenas de jovens jogadores do bairro.
2. A tournament that originates from and is driven by ordinary people at the local level rather than top-down professional structures
Many professional athletes started their careers in grassroots tournaments.
Muitos atletas profissionais começaram suas carreiras em torneios comunitários.