1
hardheartedly(adverb, bad feelings)
1
heavily
1
irritably(adverb, sullenly)
1
malevolently(adverb, sullenly)
1
meanly(adverb, sullenly)
1
melancholy
1
mirthlessly
1
mopishly
1
murkily
1
non-cooperatively(adverb, sullenly)
1
obscurely
1
obstinately(adverb, sullenly)
1
pensively(adverb, dejectedly)
1
petulantly(adverb, sullenly)
1
scowlingly(adverb, sullenly)
1
somberly
1
sombrely
1
spiritlessly(adverb, hopelessly)
1
un-cooperatively(adverb, sullenly)
1
ungenially(adverb, sullenly)
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APASmart Define. (2016). glumly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/glumly/thesaurus/synonyms
ChicagoSmart Define. 2016. "glumly thesaurus" https://smartdefine.org/glumly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, glumly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/glumly/thesaurus/synonyms>.
MLASmart Define. "glumly thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/glumly/thesaurus/synonyms>