Antonyms for the word "supervises communications" could include ignoring or neglecting communications, disregarding or minimizing their importance, or failing to properly manage or oversee them. Other antonyms might include obstructing or hindering communication, disrupting or confusing the flow of information, or simply not participating in or engaging with communication efforts at all. Such antonyms emphasize the negative consequences that can result from poor communication, which can include misunderstandings, errors, and lost opportunities. By contrast, effective communication management can ensure that information is properly disseminated, understood, and acted upon, leading to better outcomes and stronger relationships.