Synonyms|493Antonyms|105|Broader|5Narrower|0Related|268

42 entries under firm topic. ×

3
persistent(adjective, tough, determined, unreasonable)
3
rigid(adjective, tough, unreasonable, inflexible)
3
unbending(adjective, tough, determined, resolute)
2
balky(tough, unreasonable, grim, inflexible)
2
determined(adjective, tough, unreasonable, fixed)
2
inexorable(adjective, tough, determined, resolute)
2
persevering(tough, unreasonable, grim, inflexible)
2
recalcitrant(tough, determined, unreasonable, fixed)
2
relentless(adjective, tough, determined, resolute)
2
tenacious(tough, unreasonable, fixed, grim)
1
cantankerous(tough, determined, unreasonable, fixed)
1
cussed(tough, unreasonable, grim, inflexible)
1
fixed(tough, determined, unreasonable, inflexible)
1
insubordinate(tough, unreasonable, grim, inflexible)
1
ornery(tough, unreasonable, grim, inflexible)
1
rebellious(tough, unreasonable, grim, inflexible)
1
steadfast(tough, determined, unreasonable, fixed)
1
unmanageable(tough, determined, unreasonable, fixed)
1
unreasonable(tough, grim, inflexible, irrational)
1
unshakable(tough, unreasonable, grim, inflexible)
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ChicagoSmart Define. 2015. "opinionated thesaurus" https://smartdefine.org/opinionated/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, opinionated thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/opinionated/thesaurus/synonyms>.
MLASmart Define. "opinionated thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/opinionated/thesaurus/synonyms>