80 entries under harsh topic. ×

1
confirmed(adjective, hard, rough, certain)
1
ferocious(adjective, hard, rough, cruel)
1
fierce(adjective, clear, hard, tough, severe)
1
forbidding(adjective, close, strong, hard, cool)
1
go for broke(expression, adjective, idiom, cruel)
1
hang-tough(adjective, strong, hard, tough)
1
hang in(expression, adjective, cruel, determined)
1
hard-bitten(adjective, hard, rough, careless)
1
hard-shelled(adjective, hard, tough, severe, rough)
1
heavy(adjective, strong, hard, tough, severe)
1
mortal(adjective, cruel, determined, fierce)
1
narrow(adjective, close, hard, rough, firm)
1
stop at nothing(expression, adjective, idiom, cruel)
1
tough nut to crack(expression, adjective, idiom, mean, hard)
1
unemotional(adjective, mean, hard, detached)
1
unimpressible(adjective, mean, hard, inflexible)
1
unstoppable(adjective, cruel, determined, fierce)
1
vindictive(adjective, cruel, determined, fierce)
0
bitter(adjective, strong, hard, tough)
0
rugged(adjective, strong, hard, tough)
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APASmart Define. (2016). unbending thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unbending/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbending thesaurus" https://smartdefine.org/unbending/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unbending thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unbending/thesaurus/synonyms>.
MLASmart Define. "unbending thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unbending/thesaurus/synonyms>