139 entries under brutal topic. ×

1
devilish(adjective, animal, mean, harsh, violent)
1
diabolical(adjective, animal, mean, harsh, violent)
1
dispassionate(adjective, cold, cruel, unfeeling, unsympathetic)
1
feral(adjective, mean, strong, severe, harsh)
1
hateful(adjective, animal, mean, evil, nasty)
1
heavy(adjective, strong, hard, tough, severe)
1
malicious(adjective, animal, mean, nasty, harsh)
1
malign(adjective, animal, mean, strong, severe)
1
malignant(adjective, animal, mean, cruel, vicious)
1
murderous(adjective, strong, hard, tough, severe)
1
powerful(adjective, strong, severe, intense, violent)
1
rancorous(adjective, mean, evil, nasty, harsh)
1
revengeful(adjective, mean, evil, nasty, harsh)
1
rugged(adjective, strong, hard, tough, severe)
1
sadistic(adjective, mean, evil, nasty, harsh)
1
stony(adjective, mean, hard, harsh, cold)
1
strong(adjective, hard, tough, severe, firm)
1
tigerish(adjective, strong, severe, intense, violent)
1
truculent(adjective, animal, appearance, mean, strong)
1
unchanging(adjective, close, severe, firm, harsh)
11 years ago|18k views|share |citing 
APASmart Define. (2015). relentless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms
ChicagoSmart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, relentless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>.
MLASmart Define. "relentless thesaurus" 24 June 2015. Web. 29 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms>