47 entries under heartless topic. ×

14
vindictive(adjective, mean, nasty, harsh, cruel)
11
implacable(adjective, mean, evil, nasty, harsh)
9
cruel(adjective, mean, nasty, harsh, pain)
6
rancorous(adjective, mean, evil, nasty, harsh)
5
unforgiving(adjective, mean, harsh, cruel, vicious)
4
malevolent(adjective, mean, evil, nasty, harsh)
4
ruthless(adjective, mean, evil, nasty, harsh)
3
pitiless(adjective, mean, nasty, harsh, cruel)
2
relentless(adjective, mean, evil, nasty, harsh)
2
sadistic(adjective, mean, evil, nasty, harsh)
2
unappeasable(adjective, mean, harsh, cruel, vicious)
1
adamant(adjective, mean, harsh, cruel, vicious)
1
barbarous(adjective, mean, evil, nasty, harsh)
1
brutal(adjective, mean, evil, nasty, harsh)
1
callous(adjective, mean, evil, nasty, harsh)
1
cold(adjective, mean, harsh, cruel, vicious)
1
cold-blooded(adjective, mean, evil, nasty, harsh)
1
feral(adjective, mean, harsh, cruel, vicious)
1
ferocious(adjective, mean, evil, nasty, harsh)
1
fierce(adjective, mean, evil, nasty, harsh)
<123>
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APASmart Define. (2015). revengeful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/revengeful/thesaurus/synonyms
ChicagoSmart Define. 2015. "revengeful thesaurus" https://smartdefine.org/revengeful/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, revengeful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/revengeful/thesaurus/synonyms>.
MLASmart Define. "revengeful thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/revengeful/thesaurus/synonyms>