128 entries under resolute topic. ×

5
bovine(adjective, determined, obstinate, uncompromising)
5
brass-bound(adjective, determined, obstinate, uncompromising)
5
true(adjective, strong, smooth, tough, flat)
4
bullheaded(adjective, strong, hard, tough, firm)
4
changeless(adjective, set, certain, limited, definite)
4
decided(adjective, firm, certain, resolution, limited)
4
ossified(adjective, firm, solid, determined, normal)
3
dead set(adjective, determined, uncompromising, unshakeable)
3
hanging(adjective, determined, obstinate, uncompromising)
3
intense(adjective, severe, harsh, cruel)
3
iron-willed(adjective, determined, uncompromising, unshakeable)
3
strong(adjective, set, hard, tough, flat)
3
strong-minded(adjective, firm, determined, resolution, fixed)
3
sure(adjective, strong, tough, flat, firm)
3
unappeasable(adjective, harsh, cruel, determined, fierce)
3
unfaltering(adjective, strong, firm, certain, limited)
2
bound(adjective, strong, tough, flat, firm)
2
dedicated(adjective, persistent, steadfast, prejudiced)
2
enduring(adjective, strong, flat, firm, certain)
2
fast(adjective, close, strong, secure, tough)
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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>