170 entries under firm topic. ×

4
rocky(adjective, difficult, stiff, rigid)
4
stark(adjective, strong, hard, sound, tough)
4
sure(adjective, strong, tough, flat)
4
tense(adjective, hard, solid, stiff)
4
ungiving
4
unshaken(adjective, strong, cold, indifferent)
3
balky(adjective, tough, cross, restless)
3
compact(adjective, close, set, hard, tough)
3
compressed(adjective, set, hard, tough)
3
definite(adjective, strong, severe, flat)
3
impliable(adjective, hard, solid, resolute)
3
insubordinate(adjective, tough, inflexible, obstinate)
3
intent(adjective, strong, flat, certain)
3
ossified(adjective, hard, determined, resolute)
3
serious(adjective, strong, hard, tough, severe)
3
solidified(adjective, set, hard, tough)
3
taut(adjective, hard, rough, harsh)
3
unbreakable(adjective, strong, hard, tough, severe)
3
unmanageable(adjective, tough, unpleasant, determined)
3
unmovable(adjective, intense, resolute, persistent)
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APASmart Define. (2016). unyielding thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unyielding/thesaurus/synonyms
ChicagoSmart Define. 2016. "unyielding thesaurus" https://smartdefine.org/unyielding/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unyielding thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unyielding/thesaurus/synonyms>.
MLASmart Define. "unyielding thesaurus" 10 March 2016. Web. 29 September 2026. <https://smartdefine.org/unyielding/thesaurus/synonyms>