1. The action of annulling a law, agreement, or marriage
The annulment of the contract was granted by the court.
A anulação do contrato foi concedida pelo tribunal.
2. A legal declaration that a marriage is null and void, as if it never existed
She filed for annulment after discovering her husband's deception.
Ela entrou com um processo de anulação de casamento após descobrir a traição do marido.