Synonyms|261Antonyms|26|Broader|1Narrower|0Related|20

62 entries under heartless topic. ×

2
vindictive(adjective, mean, harsh, cruel, determined)
1
revengeful(adjective, mean, harsh, cruel, vicious)
1
barbarous(adjective, mean, severe, harsh, cruel)
1
brutal(adjective, mean, harsh, cruel, vicious)
1
callous(adjective, mean, severe, harsh, cruel)
1
compassionless(adjective, mean, severe, harsh, cruel)
1
cutthroat(adjective, mean, severe, harsh, cruel)
1
dog-eat-dog(adjective, mean, severe, harsh, cruel)
1
ferocious(adjective, mean, harsh, cruel, determined)
1
fierce(adjective, mean, severe, harsh, cruel)
1
gratuitous(adjective, mean, severe, harsh, cruel)
1
hardhearted(adjective, mean, severe, harsh, cruel)
1
hatchet job(expression, adjective, mean, severe, harsh)
1
having a killer instinct(expression, adjective, idiom, mean, severe)
1
inhuman(adjective, mean, harsh, cruel, determined)
1
inhumane(adjective, mean, severe, harsh, cruel)
1
iron-fisted(adjective, mean, severe, harsh, cruel)
1
ironfisted(adjective, mean, severe, harsh, cruel)
1
mean(adjective, severe, harsh, cruel, vicious)
1
mean machine(expression, adjective, mean, severe, harsh)
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APASmart Define. (2015). unappeasable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unappeasable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unappeasable thesaurus" https://smartdefine.org/unappeasable/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unappeasable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unappeasable/thesaurus/synonyms>.
MLASmart Define. "unappeasable thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unappeasable/thesaurus/synonyms>