182 entries under cruel topic. ×

2
perverse(adjective, nasty, wicked, senseless)
2
rancorous(adjective, mean, evil, nasty, harsh)
2
rigorous(adjective, hard, tough, difficult, harsh)
2
steely(adjective, cold, unfeeling, unsympathetic)
2
strict(adjective, hard, rough, harsh)
2
tigerish(adjective, violent, vicious, fierce)
2
unstoppable(adjective, harsh, determined, fierce)
2
untamed(adjective, rough, violent, vicious)
1
anesthetized(adjective, hard, tough, severe, cold)
1
asleep(adjective, hard, tough, severe, cold)
1
avaricious(adjective, hard, tough, harsh)
1
benumbed(adjective, hard, tough, severe, cold)
1
bound(adjective, harsh, determined, fierce)
1
bound and determined(expression, adjective, idiom, harsh)
1
cantankerous(adjective, hard, tough, severe, cold)
1
churlish(adjective, hard, tough, severe, cold)
1
cold fish(expression, adjective, hard, tough, severe)
1
crotchety(adjective, hard, tough, severe, cold)
1
dead set on(expression, adjective, idiom, harsh)
1
deadened(adjective, hard, tough, severe, cold)
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APASmart Define. (2016). merciless thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 1 October 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>