There are several antonyms for the word "comates," which means to live together as companions or roommates. The opposite of comates could be "solitary" or "alone," indicating that the person prefers to live and spend time by oneself. Another antonym for comates could be "rivals" or "opponents," implying that the individuals in question have conflicting interests or goals. Additionally, "strangers" could be an antonym of comates, suggesting that two people who do not know each other or have no connection cannot be considered as companions. Ultimately, the antonyms for comates convey the idea of the absence of companionship or a bond between individuals.