Mournful is a word that describes a feeling of deep sadness, grief, or sorrow. Synonyms for the word mournful include sorrowful, melancholy, lamentable, woeful, doleful, gloomy, and somber. Each of these synonyms shares a sense of sadness, but they also convey different shades of meaning. Sorrowful suggests a deep sense of regret, while lamentable implies an element of tragedy. Melancholy conveys a sense of pensive sadness, while woeful suggests a more acute form of sorrow. Doleful connotes a sense of sadness that manifests in teary-eyed expression. Gloomy suggests a more permanent or long-lasting sense of sadness, whereas somber evokes a more serious, weighty kind of sadness.