This is the 10818th most frequent Portuguese word.
imposta
"Imposta" in Portuguese means "tax" or "levy."
Here, 'imposta' refers to a rule or condition being formally established or enforced by an authority.
A regra foi imposta pelo diretor da escola.
The rule was imposed by the school principal.
In this sentence, 'imposta' describes a situation that is enforced or dictated by external conditions, not necessarily by a person.
Ela aceitou a situação imposta pelas circunstâncias.
She accepted the situation imposed by the circumstances.
Here, 'imposta' is used in a less common figurative sense to mean something being placed or fitted securely.