1
muteness(calm, quiet, speech, silence, softness)
1
noiselessness(calm, quiet, speech, silence, softness)
1
offense(noun, resentment)
1
opposition
1
pensiveness(noun, dejection)
1
pertinacity
1
perversity
1
pessimism(noun, person, feelings, emotions)
1
pique(noun, resentment)
1
plaintiveness(noun, dejection)
1
quiescence(calm, quiet, speech, silence, softness)
1
quiet(calm, speech, silence, softness, reticence)
1
quietness(calm, quiet, speech, silence, softness)
1
quietude(calm, quiet, speech, silence, softness)
1
quietus(calm, quiet, speech, silence, softness)
1
rage(noun, passion, fit, temper, anger)
1
rancor(noun, resentment)
1
recalcitrance
1
refusal
1
reluctance
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APASmart Define. (2016). sullenness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sullenness/thesaurus/synonyms
ChicagoSmart Define. 2016. "sullenness thesaurus" https://smartdefine.org/sullenness/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sullenness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sullenness/thesaurus/synonyms>.
MLASmart Define. "sullenness thesaurus" 23 March 2016. Web. 25 September 2026. <https://smartdefine.org/sullenness/thesaurus/synonyms>