Synonyms|274Antonyms|54|Broader|2Narrower|1Related|153
2
cheerfulness
1
amiability
1
friendliness
1
geniality
1
good-naturedness
1
vibes
0
gaiety
0
affability
0
agreeableness
0
alkalinity
0
amenability
0
amenity
0
amiableness
0
amicability
0
blitheness
0
brightness
0
buoyancy
0
cheeriness
0
complaisance
0
cordiality
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APASmart Define. (2016). sullenness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sullenness/thesaurus/antonyms
ChicagoSmart Define. 2016. "sullenness thesaurus" https://smartdefine.org/sullenness/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sullenness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sullenness/thesaurus/antonyms>.
MLASmart Define. "sullenness thesaurus" 23 March 2016. Web. 25 September 2026. <https://smartdefine.org/sullenness/thesaurus/antonyms>