| apartheid(noun, bias, discrimination, animosity, prejudice) | |
| apoplexy(noun, temper, anger, agitation, violence) | |
| appendix | |
| avarice(noun, temper, anger, irritation, annoyance) | |
| bad feeling(noun, expression, bitterness, vindictiveness, maliciousness) | |
| bad opinion(noun, expression, bias, discrimination, animosity) | |
| bear a grudge(expression, idiom, hate, malevolence) | |
| bear malice(expression, idiom, hate, malevolence) | |
| bellicosity(noun, anger, violence, opposition, hatred) | |
| belligerence(noun, anger, violence, opposition, hatred) | |
| bias(noun, discrimination, animosity, prejudice, enmity) | |
| bigotry(noun, bias, discrimination, animosity, prejudice) | |
| biliousness | |
| bitter resentment | |
| bitterness of spirit(expression, idiom) | |
| blahs | |
| blind gut | |
| blowup(noun, temper, anger, agitation, violence) | |
| bluster(noun, temper, anger, agitation, violence) | |
| body organ |
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| APA | Smart Define. (2015). spleen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/spleen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spleen thesaurus" https://smartdefine.org/spleen/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, spleen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/spleen/thesaurus/synonyms>. |
| MLA | Smart Define. "spleen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/spleen/thesaurus/synonyms> |