Synonyms|966Antonyms|212|Broader|17Narrower|2Related|576

135 entries under heartless topic. ×

3
sadistic(adjective, mean, evil, nasty, harsh)
3
spiritless(adjective, dull, quiet, hard, cool)
3
stubborn(adjective, mean, hard, tough, severe)
3
torpid(adjective, dull, quiet, hard, flat)
3
unsparing(adjective, mean, tough, severe, harsh)
2
asleep(adjective, hard, tough, severe, cruel)
2
coldblooded(adjective, mean, hard, harsh, cold)
2
deadened(adjective, hard, tough, severe, cruel)
2
feral(adjective, mean, hard, harsh, cruel)
2
ferocious(adjective, mean, hard, evil, rough)
2
having a killer instinct(expression, adjective, idiom, mean, severe)
2
inexorable(adjective, mean, hard, severe, evil)
2
malevolent(adjective, mean, evil, nasty, harsh)
2
rancorous(adjective, mean, tough, evil, nasty)
2
uncompromising(adjective, mean, hard, severe, rough)
2
unimpressionable(adjective, hard, cruel, detached, unfeeling)
1
cantankerous(adjective, hard, tough, severe, evil)
1
churlish(adjective, hard, tough, severe, rough)
1
crass(adjective, dull, rough, low, rude)
1
crotchety(adjective, hard, tough, severe, cruel)
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HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>