This is the 11930th most frequent Portuguese word.
péssimo
Very bad; awful; terrible.
In this sentence, 'péssimo' is used as an adjective to describe the quality of the dinner, expressing that it was very bad.
O jantar foi péssimo.
The dinner was terrible.
Here, 'péssimo' qualifies the noun 'gosto,' indicating a very negative assessment of his taste.
Ele tem péssimo gosto para decorar a casa.
He has terrible taste in decorating the house.
In this case, 'péssimo' describes the feeling or situation of not being able to attend the party, emphasizing a strongly negative feeling.