38 entries under sullen topic. ×

9
unsociable(adjective, person, avoid, asocial)
7
unfriendly(adjective, person, avoid, asocial)
6
morose
3
sullen
2
broody
1
beetle-browed
1
cantankerous
1
contrary
1
crabby
1
cross
1
cynical
1
dejected
1
dour
1
fretful
1
frowning
1
gloomy
1
glowering
1
glum
1
grim
1
grouchy
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APASmart Define. (2016). dissociable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dissociable/thesaurus/synonyms
ChicagoSmart Define. 2016. "dissociable thesaurus" https://smartdefine.org/dissociable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, dissociable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dissociable/thesaurus/synonyms>.
MLASmart Define. "dissociable thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/dissociable/thesaurus/synonyms>