This is the 1777th most frequent Portuguese word.
gratuitas
"Gratuitas" means "free" or "free of charge" in English.
In this example, 'gratuitos' (the masculine form of 'gratuitas') describes 'eventos culturais' (cultural events), denoting that there is no charge to attend.
Os eventos culturais realizados pela prefeitura são gratuitos.
The cultural events organized by the city hall are free.
In this sentence, 'gratuitas' is used as an adjective, describing the noun 'aulas' (classes) to indicate that they are free of charge.
As aulas são gratuitas para os estudantes.
The classes are free for the students.
Here, 'gratuitas' modifies the noun 'amostras' (samples), specifying that they are provided without any cost.