The antonyms of "unallied" includes "allied", "associated", "related", "connected", and "attached." These words all imply some form of connection or partnership, whereas "unallied" means lacking any affiliation or association. When someone is "unallied," it means that they are independent and not attached or connected to any specific group or organization. Contrary to that, someone who is "allied" is connected to a group or organization and shares a common goal or interest. In essence, antonyms of "unallied" imply the existence of a bond or relationship, while "unallied" denotes the absence of such connections.