142 entries under cruel topic. ×

22
ruthless(adjective, animal, mean, severe, harsh)
21
pitiless(adjective, animal, mean, kind, severe)
20
unrelenting(adjective, animal, mean, tough, severe)
20
callous(adjective, mean, harsh, cold)
18
inexorable(adjective, mean, tough, harsh, resist)
18
relentless(adjective, animal, mean, tough, severe)
18
unmerciful(adjective, mean, hard, kind, severe)
18
unyielding(adjective, mean, harsh, resist)
18
implacable(adjective, animal, mean, tough, severe)
16
merciless(adjective, mean, kind, severe, harsh)
16
savage(adjective, animal, mean, hard, harsh)
13
harsh(adjective, mean, severe, violent)
13
heartless(adjective, mean, severe, harsh, violent)
13
inflexible(adjective, harsh, resist, determined)
13
obdurate(adjective, mean, tough, harsh, resist)
13
unbending(adjective, tough, harsh, resist)
12
unpitying(noun, adjective, severe, harsh)
12
grim(adjective, animal, mean, tough, harsh)
11
stubborn(adjective, characteristic, quality, resist)
11
uncompromising(adjective, harsh, resist, determined)
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APASmart Define. (2016). remorseless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/remorseless/thesaurus/synonyms
ChicagoSmart Define. 2016. "remorseless thesaurus" https://smartdefine.org/remorseless/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, remorseless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/remorseless/thesaurus/synonyms>.
MLASmart Define. "remorseless thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/remorseless/thesaurus/synonyms>