Frowny is a colloquial term used to describe someone who appears unhappy or displeased. Some synonymous words for frowny include unhappy, glum, sad, downcast, dejected, morose, sour-faced, and gloomy. These words signify a person's emotion and body language, indicating a depressed or sad state of mind. People who are frowny are often unapproachable and difficult to communicate with. They can communicate their sadness and displeasure through their facial expressions and behavior. To avoid negative emotions, one can try to find ways to uplift their mood and seek help if it becomes a persistent problem.