"Bad vibes" is a colloquial term used to describe a negative feeling or energy. However, there are many synonyms for this phrase, each with their own unique connotations. For instance, one could describe the mood as "toxic" or "unpleasant," implying a sense of danger or discomfort. An individual might feel "unsettled" or "uneasy," invoking a sense of discomfort or disquiet. Additionally, "negative energy" or "bad aura" could be used to describe a darker, more ominous tone. Ultimately, the wide range of synonyms available allows individuals to fully capture the specific feeling they are trying to convey.