The antonyms for the word "unassociated" are "related," "affiliated," "connected," "associated," "linked," "allied," "attached," "combined," "interconnected," and "merged." These antonyms all refer to things that are connected or associated in some way, either through a shared interest or goal, a common origin, or a direct relationship. When something is unassociated, it means that it is separate, independent, or disassociated from the norm. This can be used to describe anything from a person's social status to a company's business practices, and may be used when there is a perceived lack of connection or cohesion between disparate elements.