انکار in English:

I interpreted her silence as a refusal.

I had expected an outright refusal, but to my surprise she agreed.

Your refusal to help complicated matters.

He gave a firm refusal.

These conditions amount to refusal.

What she wants to say just adds up to a refusal.

A strike is a mass refusal to work by a body of employees.

The ordering party shall inform applying contractors about refusal to accept their applications.

In this case I can accept no refusal.

I've expected an approval, but I've received a refusal

Our ​request met with a refusal from the ​authorities.

In this case I can accept no refusal. (W tym przypadku nie mogę zaakceptować żadnej odmowy. I can't understand his refusal to go with us. (Nie mogę zrozumieć jego odmowy, żeby pójść z nami.)

he became tired of his friend’s refusal to see him

the refusal of a request/an invitation/an offer

His reply was in effect a refusal.