Usage patterns
〈人〉に無礼を働くto act rudely toward someone
He ended up being rude to his boss.
無礼な態度をとるto take a rude/disrespectful attitude
She took a rude attitude toward the customer.
無礼を詫びるto apologize for one's rudeness
He apologized for his rudeness.
無礼な言葉遣いrude/disrespectful way of speaking
A rude way of speaking will make the other person angry.