11
acidity(noun, cut, taste, censure, dig)
11
grudge(noun, hard, hurt, passion, rise)
10
harshness(noun, speech, hatred, resentment, hostility)
10
pungency(noun, taste, extract, essence, sharpness)
10
rage(noun, hurt, passion, rise, temper)
9
antipathy(noun, dislike, speech, anger, violence)
9
bad blood(noun, expression, idiom, dislike, anger)
9
distress(noun, pain, sorrow, depression, melancholy)
9
regret
9
sharpness(noun, cut, difficulty, scorn, censure)
9
sourness(noun, taste, difficulty, extract, essence)
9
tartness(noun, taste, difficulty, speech, extract)
8
acridity(noun, cut, censure, dig, sharpness)
8
hate(noun, dislike, anger, hatred, resentment)
8
maliciousness(noun, dislike, hatred, hate, hostility)
8
spitefulness(noun, dislike, hatred, resentment, hate)
7
asperity(noun, temper, speech, anger, agitation)
7
bile(noun, dislike, anger, hatred, resentment)
7
pique(noun, hurt, passion, rise, dislike)
6
anguish(noun, worry, concern, distress, pain)
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APASmart Define. (2015). bitterness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bitterness/thesaurus/synonyms
ChicagoSmart Define. 2015. "bitterness thesaurus" https://smartdefine.org/bitterness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, bitterness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bitterness/thesaurus/synonyms>.
MLASmart Define. "bitterness thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/bitterness/thesaurus/synonyms>