The antonyms for the term "being in unison" can be numerous depending on what aspect of the word we consider. In terms of music, examples could be discord, disagreement, or disharmony. In a team, antonyms could include dissent, discordant, or disagreement. A group of people may exhibit animosity, disconnection, or estrangement instead of being in unison. Individuals may experience dissension, disunity, or conflict in their personal relationships, which are antonyms of being in unison. Thus, the opposite of being in unison could embody a variety of meanings depending on the context.