Looking gloomy can be expressed in several ways. Some possible synonyms for the term "look gloomy" include appear sad, seem downcast, appear depressed, seem hopeless, look despairing, and appear despondent. Additionally, some other words that can be used to replace the term are appear glum, seem disheartened, look morose, appear forlorn, seem melancholy, and look woeful. These words can be used interchangeably, depending on the context and the emotion that needs to be conveyed. Using synonyms can help make the writing more expressive and add variety to the language used.