5
sinister(adjective, rough, nasty, dark, unpleasant)
5
unfriendly(adjective, severe, stern, sullen, abrupt)
4
anguished(adjective, hopeless, dejected)
4
atrabilious(adjective, sadness, gloom, unclear, morose)
4
broken-hearted
4
bummed out(expression, adjective, sad, unhappy, depressed)
4
cloudy(adjective, sorrow, depress, sadness, emotion)
4
hostile(adjective, sadness, gloom, unclear, sullen)
4
hurting(blue, sad, unhappy, miserable, dejected)
4
ill-humored(adjective, tough, harsh, feelings, gloomy)
4
in the doldrums(expression, adjective, idiom, low, unstable)
4
lonely(adjective, bleak, black, cloudy, chill)
4
obscure(adjective, sadness, gloom, unclear, morose)
4
petulant(adjective, unstable, changeable, sullen, grumpy)
4
sepulchral(adjective, sorrow, depress, sadness, emotion)
4
snappish(adjective, tough, harsh, feelings, gloomy)
4
sunless(adjective, sorrow, depress, sadness, emotion)
4
testy(adjective, low, feelings, gloomy, miserable)
4
unsociable(adjective, tough, harsh, awkward, sullen)
4
weeping(blue, sad, unhappy, miserable, dejected)
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APASmart Define. (2016). glum thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/glum/thesaurus/synonyms
ChicagoSmart Define. 2016. "glum thesaurus" https://smartdefine.org/glum/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, glum thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/glum/thesaurus/synonyms>.
MLASmart Define. "glum thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/glum/thesaurus/synonyms>