The word "un social" can be defined as a person who is not friendly, outgoing or sociable. Antonyms for the word would be those that describe people who are amiable and enjoy interacting with others. Common antonyms for "un social" include friendly, sociable, outgoing, extroverted, gregarious, and amiable. These people enjoy spending time with others, are comfortable in social settings and are known for their affable nature. The opposite of an unsocial person is someone who thrives in social settings, enjoys meeting new people and is generally well-liked.Overall, antonyms for "un social" suggest individuals who are the opposite in terms of their social skills and habits.