107 entries under harsh topic. ×

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, strong, hard, rough)
1
hard-shell(adjective, strong, hard, tough, severe)
1
hard-shelled(adjective, hard, tough, severe, rough)
1
hardhearted(adjective, hard, severe, careless)
1
heavy(adjective, strong, hard, tough, severe)
1
iron-fisted(adjective, severe, stiff, rigid)
1
mortal(adjective, cruel, determined, fierce)
1
mortified(adjective, strong, hard, tough, severe)
1
powerful(adjective, severe, stiff, rigid)
1
serious(adjective, strong, hard, tough, severe)
1
static(adjective, set, severe, firm)
1
stop at nothing(expression, adjective, idiom, cruel)
1
tough nut to crack(expression, adjective, idiom, mean, hard)
1
unbreakable(adjective, strong, hard, severe, firm)
1
unemotional(adjective, mean, hard, unfeeling)
1
unimpressible(adjective, mean, hard, stubborn)
1
vindictive(adjective, cruel, determined, fierce)
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APASmart Define. (2016). inflexible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms
ChicagoSmart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, inflexible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>.
MLASmart Define. "inflexible thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms>