Most unsocial is a term used to describe someone who is extremely reserved or even avoids social interactions altogether. Its antonyms, then, are words that describe people who are sociable, outgoing, and friendly. Some of its antonyms include popular, extroverted, gregarious, accommodating, and amiable. A popular person, for example, is someone who is well-liked and often surrounded by people. An extroverted person is outgoing and enjoys being around others. Someone who is gregarious is sociable and enjoys the company of others. Accommodating describes a person who is willing to adjust for others, while amiable describes someone who is friendly and easy to get along with.