Synonyms|586Antonyms|160|Broader|8Narrower|7Related|599

101 entries under heartless topic. ×

3
gratuitous(adjective, mean, cruel, senseless, pitiless)
3
hardened(adjective, person, hard, tough, severe)
3
sadistic(adjective, mean, evil, nasty, harsh)
3
thick-skinned(adjective, hard, tough, severe, cruel)
3
unflinching(adjective, mean, harsh, cruel, determined)
2
icy(adjective, hard, tough, severe, cold)
2
rancorous(adjective, mean, evil, nasty, harsh)
2
steely(adjective, cold, cruel, unfeeling, unsympathetic)
1
anesthetized(adjective, hard, tough, severe, cold)
1
asleep(adjective, hard, tough, severe, cold)
1
benumbed(adjective, hard, tough, severe, cold)
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
deadened(adjective, hard, tough, severe, cold)
1
dispassionate(adjective, cold, cruel, unfeeling, unsympathetic)
1
feelingless(adjective, hard, tough, severe, cold)
1
hatchet job(expression, adjective, mean, cruel, pitiless)
1
having a killer instinct(expression, adjective, idiom, mean, cruel)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>