Final answer:
The word 'rudeness' refers to the quality or state of being rude, which is characterized by impolite or discourteous behavior.
Step-by-step explanation:
The word rudeness in the context of your sentence means the state of being rude. Therefore, the correct answer is D. State of being rude. Rudeness refers to behavior that is impolite, discourteous, or lacking good manners. For example, if a cashier is short-tempered, uses unkind words, or is dismissive, their behavior can be considered as exhibiting rudeness.