This is the 983rd most frequent Portuguese word.
coletiva
"Coletiva" means "collective" in English, referring to something done or shared by a group.
Here, "coletiva" functions as an adjective, qualifying "entrevista" to specify the type of meeting being referred to.
A entrevista coletiva será realizada na próxima semana.
The press conference will be held next week.
In this instance, "coletiva" acts as an adjective, describing "habitação" as being shared among multiple individuals or groups.
Optamos por morar em uma habitação coletiva para reduzir custos.
We chose to live in collective housing to reduce costs.
In this sentence, "coletiva" is used as an adverbial descriptor, modifying "forma" to describe how the action of decision-making was performed.