4
inhumanely
2
cruelly
2
grimly
1
atrociously
1
barbarously
1
bestially
1
brutally
1
callously
1
foully
1
hardly
1
harshly
1
heartlessly
1
malevolently
1
remorselessly(adverb, kindly)
1
roughly
1
rudely
1
sadistically
1
sorely
1
sternly
1
viciously
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APASmart Define. (2016). humanely thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/humanely/thesaurus/antonyms
ChicagoSmart Define. 2016. "humanely thesaurus" https://smartdefine.org/humanely/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, humanely thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/humanely/thesaurus/antonyms>.
MLASmart Define. "humanely thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/humanely/thesaurus/antonyms>