4
rigourously
4
torturously(adverb, painfully)
4
truculently
4
unbearably(adverb, painfully)
4
unsympathetically(adverb, pitilessly)
4
woefully(adverb, greatness, painfully)
3
agonizingly(adverb, painfully)
3
annoyingly(adverb, painfully)
3
badly
3
bitingly(adverb, painfully)
3
demoniacally(adverb, negatively, in awful way)
3
ferally(adverb, in awful way)
3
frigidly(adverb, negatively, in a bad way)
3
lamentably
3
piteously
3
remorselessly(adverb, fast, intensely, fiercely, violently)
3
shockingly
3
terribly
2
unfeelingly(adverb, pitilessly)
2
acutely(adverb, painfully)
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APASmart Define. (2016). cruelly thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/cruelly/thesaurus/synonyms
ChicagoSmart Define. 2016. "cruelly thesaurus" https://smartdefine.org/cruelly/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, cruelly thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/cruelly/thesaurus/synonyms>.
MLASmart Define. "cruelly thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/cruelly/thesaurus/synonyms>