Boorishnesses refer to the characteristics or behavior of being rude, uncivil, or uncultured. Some antonyms or opposite words for boorishnesses include courteousness, politeness, refinement, and sophistication. Courteousness denotes displaying proper manners, being polite, and showing respect for others. Politeness refers to using courteous and considerate language and behavior to show respect for others. Refinement connotes possessing good taste, culture, and elegance in one's behavior, speech, and style. Sophistication denotes possessing a worldly and cultured attitude, being knowledgeable about the finer things in life, and having good taste. These antonyms serve as a reminder to always strive for civility, politeness, and refinement in our interactions with others.