26 entries under gentle topic. ×

13
cruel(adjective, good, mean, kind)
8
heartless(adjective, feeling, friendly, cold)
8
merciless(adjective, mean, kind, unfeeling)
7
cold-blooded(adjective, kind, cruel, heartless)
7
ruthless(adjective, calm, mean, heartless)
6
barbarous(adjective, refined)
4
inhumane(adjective, mean, refined, unfeeling)
1
coldblooded
1
unforgiving(adjective, kind, merciless)
0
demoniac(good, mild)
0
feller
0
hang in(expression, easy, mild)
0
having a killer instinct(expression, idiom, calm)
0
iron-fisted
0
liverish(good, mild)
0
lowest(good, mild)
0
matter of fact(expression, idiom)
0
mean machine(expression, calm)
0
ravening
0
retaliatory
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APASmart Define. (2016). compassionate thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/compassionate/thesaurus/antonyms
ChicagoSmart Define. 2016. "compassionate thesaurus" https://smartdefine.org/compassionate/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, compassionate thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/compassionate/thesaurus/antonyms>.
MLASmart Define. "compassionate thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/compassionate/thesaurus/antonyms>