Antonyms for the term "conducts oneself" would include words like "misbehaves," "deviates," and "departs." When someone "misbehaves," they do not follow proper behavior or etiquette, which is the opposite of conducting oneself properly. "Deviation" implies a departure from the norm, whereas conducting oneself typically implies following established expectations. Lastly, "departure" refers to moving away or breaking from a set path or pattern, which is contradictory to how one would "conduct" themselves in a given situation. It is essential to understand the meaning and context of words used as antonyms to precisely convey the intended message in communication.