80 entries under gloomy topic. ×

11
ill-humored(adjective, upset, tough, harsh, feelings)
10
heavy(adjective, upset, dull, sad, slow)
10
splenetic(adjective, tough, harsh, depressed)
9
down(adjective, low, sad, slow, feelings)
7
acrimonious(adjective, mean, bad, tough, wrong)
7
downhearted(adjective, blue, low, sad, dark)
7
dull(adjective, upset, slow, unhappy, dark)
7
frowning(adjective, upset, evil, low, sad)
7
harsh(adjective, tough, depressed, ugly)
7
low(adjective, blue, sad, unpleasant, feelings)
7
moping(adjective, cross, melancholy, depressed)
7
perverse(adjective, upset, low, miserable)
7
pessimistic(adjective, upset, blue, low, sad)
7
snappish(adjective, low, feelings, short)
7
ugly(adjective, upset, blue, low, sad)
5
brusque(adjective, tough, harsh, depressed)
5
choleric(adjective, low, miserable, short)
5
dispirited(adjective, low, melancholy, miserable)
5
leaden(adjective, dull, slow, dark, heavy)
4
down in the dumps(expression, adjective, idiom, feelings)
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APASmart Define. (2016). sullen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sullen/thesaurus/synonyms
ChicagoSmart Define. 2016. "sullen thesaurus" https://smartdefine.org/sullen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, sullen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sullen/thesaurus/synonyms>.
MLASmart Define. "sullen thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/sullen/thesaurus/synonyms>