1
renitency
1
repugnance
1
reserve(calm, quiet, speech, silence, softness)
1
resistance
1
reticence(calm, quiet, speech, silence, softness)
1
roughness(noun, difficulty, resentment, sharpness, severity)
1
saturninity(calm, quiet, speech, silence, softness)
1
secrecy(calm, quiet, speech, silence, softness)
1
sensitivity(noun, passion, fit, temper, anger)
1
silence(noun, calm, quiet, speech, absence)
1
sleep(calm, quiet, speech, silence, softness)
1
slowness
1
soreness(noun, resentment)
1
speechlessness(calm, quiet, speech, silence, softness)
1
stew(noun, passion, fit, temper, anger)
1
still(calm, quiet, speech, silence, softness)
1
stillness(calm, quiet, speech, silence, softness)
1
stuffiness
1
sulks
1
taciturnity(calm, quiet, speech, silence, softness)
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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>