6
painfully(adverb, fast, greatness, sprightly, severely)
6
pitilessly(adverb, fiercely, violently, unkindly, nastily)
6
ruthlessly(adverb, pitilessly)
5
barbarically(adverb, pitilessly, in awful way)
5
bloodthirstily(adverb, negatively, pitilessly)
5
horribly(adverb, greatness, meanly, dreadfully, shockingly)
5
miserably(adverb, greatness, painfully)
5
relentlessly(adverb, fast, sprightly, severely, seriously)
5
sorely(adverb, greatness, painfully)
5
unmercifully(adverb, pitilessly)
4
diabolically(adverb, badly, fiercely, viciously, pitilessly)
4
distressingly(adverb, painfully)
4
dreadfully
4
excruciatingly(adverb, intensely, painfully)
4
fiendishly(adverb, pitilessly)
4
grievously(adverb, greatness, painfully)
4
hardly(adverb, harshly)
4
hellishly(adverb, pitilessly)
4
inhumanely(adverb, pitilessly)
4
oppressively(adverb, painfully, tyrannically)
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APASmart Define. (2016). cruelly thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cruelly/thesaurus/synonyms
ChicagoSmart Define. 2016. "cruelly thesaurus" https://smartdefine.org/cruelly/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, cruelly thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cruelly/thesaurus/synonyms>.
MLASmart Define. "cruelly thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/cruelly/thesaurus/synonyms>