Synonyms for glum Found 8 synonyms across 1 meaning for “glum”. showing a brooding ill humor (adj) darkdourgloweringmoodymorosesaturninesoursullen Explore Related Words Rhymes with glumSynonyms for darkSynonyms for dourSynonyms for gloweringSynonyms for moodySynonyms for morose Synonym Finder | Rhyme Finder | Poetry Editor