55 entries under uncompromising topic. ×

6
immovable(adjective, strong, hard, tough, determined)
6
rigorous(adjective, set, strong, hard, tough)
6
set(adjective, hard, firm, solid, resolute)
5
indurate(adjective, hard, firm, solid, stiff)
5
obstinate(adjective, set, hard, stiff, rigid)
5
strong-willed(adjective, determined, resolute, unshakeable)
5
unchangeable(adjective, set, hard, stiff, resolute)
4
grim(adjective, dull, strong, hard, tough)
4
resolved(adjective, determined, resolute, unshakeable)
4
staunch(adjective, set, hard, stiff, resolute)
4
unshakeable(adjective, determined, resolute)
4
unswerving(adjective, determined, resolute, unshakeable)
4
unwavering(adjective, determined, resolute, unshakeable)
3
dogged(adjective, set, hard, stiff, resolute)
3
fixed(adjective, hard, firm, solid, rigid)
3
immutable(adjective, set, hard, stiff, rigid)
3
incompliant(adjective, firm, solid, determined, resolute)
3
intractable(adjective, set, hard, stiff, rigid)
3
iron-willed(adjective, determined, resolute, unshakeable)
3
remorseless(adjective, cold, determined, resolute, pitiless)
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APASmart Define. (2015). steely thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/steely/thesaurus/synonyms
ChicagoSmart Define. 2015. "steely thesaurus" https://smartdefine.org/steely/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, steely thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/steely/thesaurus/synonyms>.
MLASmart Define. "steely thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/steely/thesaurus/synonyms>