This is the 5211th most frequent Portuguese word.
permaneceram
"Remained" or "stayed."
In this sentence, "permaneceram" is used to indicate that the students were in a state of silence for a duration.
Os alunos permaneceram em silêncio durante toda a aula.
The students remained silent throughout the entire class.
Here, "permaneceram" denotes staying physically in a location after the event.
Após o evento, todos permaneceram na sala para discutir os resultados.
After the event, everyone stayed in the room to discuss the results.
"Permaneceram" in this instance highlights maintaining a metaphorical state of firmness or resolve.