Unjoyful is a word that describes something that lacks joy and happiness. Its synonyms include words such as joyless, unhappy, sorrowful, bleak, gloomy, and miserable. Another word that can be used is sad. When we describe a person as unjoyful, we might also use terms like crestfallen, dejected, dispirited, or downcast. If we're talking about a situation, we might also use terms like dull, drab, or lackluster. These synonyms are all useful when we want to describe something or someone that does not bring us joy or a sense of happiness.