This is the 10903rd most frequent Portuguese word.
informais
"Informais" means "informal" or "casual" in English.
In this sentence, 'informais' is used as an adjective describing the nature of the meetings, indicating they are casual or not official.
Os encontros informais entre os colegas de trabalho ocorrem após o expediente.
Informal meetings among coworkers occur after working hours.
Here, 'informais' serves as an adjective modifying 'ambientes,' again denoting a casual or relaxed context.
Em ambientes informais, as pessoas tendem a se comportar de maneira mais descontraída.
In informal environments, people tend to behave more casually.
In this case, 'informais' modifies 'entrevistas,' specifying that these interviews are casual or non-structured in nature.