3
torturously(adverb, painfully)
3
unbearably(adverb, painfully)
3
unpleasantly(adverb, painfully)
3
witheringly(adverb, painfully)
2
bitter
2
antagonistically(adverb, malevolently, resentfully)
2
bellicosely(adverb, irritably)
2
cuttingly
2
disagreeably(adverb, painfully)
2
frightfully
2
hurtfully(adverb, painfully, malevolently)
2
icily(adverb, coldly)
2
keenly
2
malevolently(adverb, malevolently)
2
maliciously(adverb, malevolently)
2
penetratingly
2
piquantly(adverb, sourly, pungently)
2
poignantly(adverb, pungently)
2
resentfully(adverb, resentfully)
2
shockingly
10 years ago|5.1k views|share |citing 
APASmart Define. (2016). bitterly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/bitterly/thesaurus/synonyms
ChicagoSmart Define. 2016. "bitterly thesaurus" https://smartdefine.org/bitterly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, bitterly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/bitterly/thesaurus/synonyms>.
MLASmart Define. "bitterly thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/bitterly/thesaurus/synonyms>