Ungallantly is defined as doing something without showing courtesy, respect, or consideration towards others. Some possible synonyms for ungalantly might include rudely, impolitely, brusquely, disrespectfully, discourteously, offensively, or inconsiderately. These words all convey a sense of behaving inappropriately or without regard for others' feelings or well-being. People who act ungalantly may come across as arrogant, insensitive, or boorish, and may alienate those around them. It is important to remember that treating others with kindness and respect is an essential part of building healthy relationships, both personally and professionally.