115 entries under mean topic. ×

6
mortal(adjective, severe, harsh, cruel)
6
unflinching(adjective, severe, harsh, cruel)
6
unsympathetic(adjective, animal, hard, tough)
5
indurate(adjective, hard, determined, resolute)
5
perverse(adjective, hard, tough, harsh)
5
stony(adjective, hard, harsh, cruel)
4
barbarous(adjective, animal, appearance, hard)
4
brutal(adjective, hard, tough, severe)
4
callous(adjective, hard, tough, severe)
4
fell(adjective, animal, harsh, violent)
4
hard-hearted(adjective, hard, tough, evil)
4
heartless(adjective, severe, evil, nasty)
4
uncompassionate(adjective, animal, hard, tough)
4
unfeeling(adjective, animal, hard, tough)
4
unsparing(adjective, strong, hard, tough)
3
fierce(adjective, animal, hard, tough)
3
vicious(adjective, evil, nasty, harsh)
2
barbaric(adjective, animal, violent, cruel)
2
bestial(adjective, animal, severe, evil)
2
cold(adjective, close, strong, hard)
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APASmart Define. (2015). unrelenting thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unrelenting/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrelenting thesaurus" https://smartdefine.org/unrelenting/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unrelenting thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unrelenting/thesaurus/synonyms>.
MLASmart Define. "unrelenting thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/unrelenting/thesaurus/synonyms>