Un-gracious refers to the lack of kindness, politeness, and manners. Its antonyms include gracious, polite, considerate, courtly, and chivalrous. Gracious refers to a person who is courteous, kindly, and pleasant, and has good manners. Polite refers to a person who is well-mannered, respectful, and courteous to others. Considerate refers to someone who is thoughtful, caring, and sensitive to others' needs. Courtly refers to manners that are refined, dignified, and aristocratic. Chivalrous refers to a person who behaves politely, respectfully, and honorably, especially towards women. All of these words carry connotations of kindness, civility, and respect, which are the opposite of what un-gracious implies.