The antonyms for the word "more unsocial" would be "outgoing" or "social." These words imply a person who enjoys being around others, interacting with them, and forming connections. Alternatively, words like "gregarious," "convivial," and "sociable" can be used to describe individuals who are friendly and enjoy being around other people.
On the other hand, "unsocial" means a person who is not very sociable, who prefers to be alone, and does not like being around others. Some other antonyms for unsocial can be "friendly," "sociable," and "communicative." These antonyms describe individuals who enjoy being social and interacting with others, forming close relationships, and being outgoing.