This is the 1576th most frequent Portuguese word.
quaisquer
"Quaisquer" means "any" (plural).
In this sentence, 'quaisquer' is used as an adjective meaning 'any'. It modifies the noun 'desculpas' and highlights the unrestricted nature of what is being referred to as not acceptable.
Não aceitamos quaisquer desculpas para o atraso.
We do not accept any excuses for the delay.
Here, 'quaisquer' again functions as an adjective describing 'dúvidas' (questions). It implies the possibility of a variety of uncertainties or questions.
Você tem quaisquer dúvidas sobre o assunto?
Do you have any questions about the subject?
In this instance, 'quaisquer' serves as an adjective preceding 'recursos' (resources), signifying that any and all necessary resources are included or considered.