This is the 3521st most frequent Spanish word.
gratuitos
Free; without cost.
Here, 'gratuitos' serves as an adjective describing the educational programs as costing no money.
Los programas educativos gratuitos benefician a las comunidades necesitadas.
Free educational programs benefit needy communities.
In this context, 'gratuitos' is an adjective qualifying the services as having no cost associated.
Los servicios ofrecidos en el evento eran completamente gratuitos.
The services offered at the event were completely free.
In this sentence, 'gratuitos' is used as an adjective to describe the tickets being free of charge.