Synonyms|265Antonyms|119|Broader|2Narrower|0Related|618

66 entries under heartless topic. ×

3
malevolent(adjective, mean, harsh, cruel, vicious)
3
rancorous(adjective, mean, harsh, cruel, vicious)
3
vicious(adjective, mean, hard, severe, rough)
2
compassionless(adjective, mean, hard, severe, harsh)
2
feral(adjective, mean, harsh, cruel, vicious)
2
ferocious(adjective, mean, hard, rough, harsh)
2
mean(adjective, hard, severe, harsh, violent)
2
mortal(adjective, mean, severe, harsh, cruel)
1
cold(adjective, mean, hard, harsh, cruel)
1
gratuitous(adjective, mean, severe, harsh, cruel)
1
hatchet job(expression, adjective, mean, severe, harsh)
1
having a killer instinct(expression, adjective, idiom, mean, severe)
1
indifferent(adjective, hard, unfeeling, merciless)
1
iron-fisted(adjective, mean, severe, harsh, cruel)
1
ironfisted(adjective, mean, harsh, cruel, vicious)
1
mean machine(expression, adjective, mean, severe, harsh)
1
uncalled-for(adjective, mean, severe, harsh, cruel)
1
unflinching(adjective, mean, severe, harsh, cruel)
1
wanton(adjective, mean, severe, harsh, cruel)
0
coldblooded(adjective, hard, unfeeling, unyielding)
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APASmart Define. (2016). unforgiving thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unforgiving/thesaurus/synonyms
ChicagoSmart Define. 2016. "unforgiving thesaurus" https://smartdefine.org/unforgiving/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unforgiving thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unforgiving/thesaurus/synonyms>.
MLASmart Define. "unforgiving thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/unforgiving/thesaurus/synonyms>