100 entries under savage topic. ×

10
unmerciful(adjective, mean, hard, tough, severe)
9
inhuman(adjective, animal, mean, hard, tough)
8
brutal(adjective, mean, strong, severe, evil)
8
callous(adjective, mean, hard, severe, evil)
8
heartless(adjective, mean, hard, severe, evil)
7
ferocious(adjective, animal, mean, strong, severe)
6
hard-hearted(adjective, mean, hard, tough, evil)
6
unfeeling(adjective, animal, mean, hard, severe)
6
unsympathetic(adjective, animal, mean, hard, severe)
5
mortal(adjective, mean, severe, harsh, cruel)
4
cutthroat(adjective, mean, strong, hard, severe)
3
barbarous(adjective, animal, appearance, mean, strong)
3
cold-blooded(adjective, mean, hard, evil, nasty)
3
mean(adjective, animal, hard, severe, nasty)
3
uncompassionate(adjective, animal, mean, hard, harsh)
3
unregenerate(adjective, hard, tough, harsh, cruel)
3
vehement(adjective, strong, severe, difficult, intense)
3
vindictive(adjective, mean, hard, tough, severe)
2
animal(noun, adjective, mean, strong, severe)
2
brutish(adjective, strong, severe, evil, nasty)
11 years ago|18k views|share |citing 
APASmart Define. (2015). relentless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms
ChicagoSmart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, relentless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>.
MLASmart Define. "relentless thesaurus" 24 June 2015. Web. 27 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms>