74 entries under adverb topic. ×

3
insensitively(harshly, cruelly, indifferently, coldly)
3
meanly(cruel, immorality, acts, evil way)
3
murderously(cruel, immorality, acts, evil way)
3
numbly
3
relentlessly(cruel, evil way)
3
remorselessly(cruel, evil way)
3
stonily
3
unconcernedly
3
unemotionally
3
unmercifully
3
vengefully(cruel, immorality, acts, evil way)
3
viciously(cruel, evil way)
2
cold-bloodedly
2
hardly
2
impassively
2
inconsiderately
2
obdurately
2
savagely(cruel, evil way)
2
spiritlessly
1
adamantly
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APASmart Define. (2016). heartlessly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heartlessly/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartlessly thesaurus" https://smartdefine.org/heartlessly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, heartlessly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heartlessly/thesaurus/synonyms>.
MLASmart Define. "heartlessly thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heartlessly/thesaurus/synonyms>