101 entries under vicious topic. ×

6
revengeful(adjective, mean, evil, nasty, harsh)
6
savage(adjective, animal, mean, hard, tough)
6
severe(adjective, appearance, mean, strong, hard)
6
unmerciful(adjective, mean, hard, tough, severe)
5
ferocious(adjective, animal, mean, evil, nasty)
5
stony(adjective, mean, hard, harsh, cold)
5
unsympathetic(adjective, animal, mean, hard, severe)
5
vengeful(adjective, mean, severe, evil, nasty)
4
callous(adjective, mean, hard, severe, evil)
4
rancorous(adjective, mean, evil, nasty, harsh)
4
uncompassionate(adjective, animal, mean, hard, tough)
3
barbarous(adjective, animal, appearance, mean, hard)
3
brutal(adjective, mean, severe, evil, nasty)
3
cold(adjective, mean, hard, harsh, indifferent)
3
hard-hearted(adjective, mean, hard, tough, evil)
3
harsh(adjective, mean, strong, hard, tough)
3
heartless(adjective, mean, hard, severe, evil)
3
inhumane(adjective, animal, mean, hard, tough)
2
barbaric(adjective, animal, mean, violent, cruel)
2
bitter(adjective, strong, hard, tough, severe)
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APASmart Define. (2016). implacable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/implacable/thesaurus/synonyms
ChicagoSmart Define. 2016. "implacable thesaurus" https://smartdefine.org/implacable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, implacable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/implacable/thesaurus/synonyms>.
MLASmart Define. "implacable thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/implacable/thesaurus/synonyms>