The term "not mood" refers to a state of mind characterized by negative emotions and outlook. Synonyms for "not mood" can include various phrases and words such as gloomy, unhappy, disheartened, depressed, despondent, crestfallen, dejected, sad, and pessimistic. Other terms that may be used as synonyms for "not mood" include desolate, somber, cheerless, and morose. These words are often used to describe a person's emotional state or demeanor. Understanding these synonyms for "not mood" can help individuals communicate more effectively and express their emotions more accurately. It is important to understand that negative moods can be temporary and should be addressed to prevent them from turning into long-term mental health issues.