Good vibes are a popular term used to describe a positive feeling, emotion or energy. However, there are several antonyms to this term that represent the opposite feelings. Some words that can be used as antonyms for good vibes are negative energy, bad feelings, sad emotions, depressing atmosphere, sour mood, and gloomy vibes. Other antonyms include pessimistic, unfavorable, harmful, unpleasant, and undesirable. These words represent feelings or scenarios that are not desirable, uplifting or positive. While good vibes are preferable, it is important to acknowledge and address negative emotions and energies to maintain a balanced outlook on life.