This is the 8739th most frequent Portuguese word.
alugada
Rented.
Here, 'alugada' is used as a past participle of the verb 'alugar', indicating that the action of renting affected the subject (the house).
A casa foi alugada para a família.
The house was rented to the family.
In this case, 'alugada' describes the car, functioning as an adjective derived from the participle of 'alugar'.
Ela dirigiu um carro alugada durante as férias.
She drove a rented car during the holidays.
Here again, 'alugada' is used as an adjective, describing the house as having been subject to renting (past action).