lu·gu·bri·ous ləˈɡ(y)o͞obrēəs/ adjective looking or sounding sad and dismal. synonyms: mournful, gloomy, sad, unhappy, doleful, glum, melancholy, woeful, miserable, woebegone, forlorn, somber, solemn, serious, sorrowful, morose, dour, cheerless, joyless, dismal; MoreAll Rights Reserved