554 entries under adjective topic. ×

5
slow(dull, heavy, sluggish, inactive)
5
solemn(sad, sorrow, depression, depress)
5
sunless(sorrow, depress, sadness, emotion)
5
temperamental(unpleasant, unstable, irritable, disagreeable)
5
threatening(mean, bad, wrong, evil)
5
tristful(sad, dark, sorrow, depression)
5
truculent(nasty, rude, unpleasant, coarse)
5
uncivil(rude, coarse, grumpy, abrupt)
5
virulent(severe, nasty, hostile, resentful)
5
wistful(sad, dark, sorrow, depression)
4
antagonistic(mean, bad, wrong, severe)
4
bleak(dull, severe, low, unhappy)
4
caustic(mean, severe, sharp, nasty)
4
contrary
4
depressing
4
discontented(upset, unhappy, angry, annoyed)
4
discouraged(upset, negative, doubtful, angry)
4
disheartened(dejected, dejection)
4
down in the dumps(expression, idiom, feelings, gloomy)
4
dyspeptic
10 years ago|26k views|share |citing 
APASmart Define. (2016). sullen thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sullen/thesaurus/synonyms
ChicagoSmart Define. 2016. "sullen thesaurus" https://smartdefine.org/sullen/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sullen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sullen/thesaurus/synonyms>.
MLASmart Define. "sullen thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sullen/thesaurus/synonyms>