This is the 10823rd most frequent Portuguese word.
improvisados
"Improvisados" means "improvised" or "made without preparation".
Here, 'improvisados' refers to the musicians being impromptu or unprepared but still capable of creating something.
Os músicos improvisados conseguiram criar uma bela melodia.
The impromptu musicians managed to create a beautiful melody.
In this case, 'improvisadas' describes the tents as being made or set up quickly, without prior detailed planning.
As barracas improvisadas foram usadas para abrigar as pessoas.
The improvised tents were used to shelter the people.
'Improvisados' here indicates that the resources were not planned or standard, but were created or adapted in the moment.