This is the 2120th most frequent Portuguese word.
gratuitos
Free or uncharged.
Here, 'gratuitos' describes books provided at no cost.
Os livros distribuídos durante a palestra foram gratuitos.
The books distributed during the lecture were free.
In this context, 'gratuitos' refers to comments that are unnecessary or uncalled for.
Ele faz comentários gratuitos sobre os trabalhos dos colegas.
He makes gratuitous comments about his colleagues' work.
Here, 'gratuitos' describes access that doesn't require payment.