1
boredness
1
boredom
1
bowels
1
brain
1
breast(noun, gland)
1
cantankerousness(passion, fit, temper, irritability, impatience)
1
cattiness
1
cecum
1
chagrin(noun, humiliation, displeasure, vexation, mortification)
1
chauvinism(noun, bias, discrimination, animosity, prejudice)
1
cheerlessness
1
coldness(noun, hate, hostility, antagonism, disgust)
1
colon
1
contempt(noun, hatred, hate, hostility, antagonism)
1
contemptuousness(noun, bias, discrimination, animosity, prejudice)
1
corrosiveness
1
crossness(passion, fit, temper, irritability, impatience)
1
despond
1
detestation(noun, dislike, anger, violence, opposition)
1
detriment(noun, bias, discrimination, animosity, prejudice)
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APASmart Define. (2015). spleen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/spleen/thesaurus/synonyms
ChicagoSmart Define. 2015. "spleen thesaurus" https://smartdefine.org/spleen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, spleen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/spleen/thesaurus/synonyms>.
MLASmart Define. "spleen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/spleen/thesaurus/synonyms>