Synonyms|1kAntonyms|88|Broader|11Narrower|0Related|196

171 entries under cruel topic. ×

7
dour(adjective, close, hard, severe, sharp)
7
ferocious(adjective, animal, mean, strong, severe)
7
single-minded(adjective, tough, firm, intense)
7
steely(adjective, strong, hard, tough, cold)
7
stringent(adjective, set, hard, severe, sharp)
7
unstoppable(adjective, continuous, merciless)
6
hard-hearted(adjective, mean, hard, tough, evil)
6
intractable(adjective, appearance, strong, tough, firm)
6
unfeeling(adjective, animal, mean, hard, severe)
6
unsympathetic(adjective, animal, mean, hard, severe)
5
bound(adjective, strong, tough, firm)
5
mortal(adjective, mean, severe, harsh)
5
stony-hearted(adjective, cold, unfeeling, unsympathetic)
4
bound and determined(expression, adjective, idiom, serious)
4
cutthroat(adjective, mean, strong, hard, severe)
4
flinty(adjective, close, strong, hard, tough)
4
hardened(adjective, hard, tough, harsh, cold)
4
unmoved(adjective, cold, determined, fixed)
4
unpitying(adjective, mean, severe, harsh)
3
serious(adjective, close, strong, hard, tough)
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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>