64 entries under unfaltering topic. ×

8
unbending(adjective, strong, flat, firm, harsh)
7
inexorable(adjective, mean, severe, harsh, cruel)
7
reliable(adjective, resolute, persistent, dedicated, unwavering)
7
stable(adjective, strong, flat, determined, definite)
7
tireless(adjective, set, strong, firm, energetic)
6
faithful(adjective, strong, firm, determined, bold)
6
single-minded(adjective, harsh, cruel, determined, fierce)
6
sure(adjective, strong, flat, certain, determined)
6
true(adjective, strong, flat, firm, certain)
6
unrelenting(adjective, mean, severe, harsh, cruel)
5
adamant(adjective, strong, flat, firm, harsh)
5
dependable(adjective, resolute, persistent, dedicated, unwavering)
5
immovable(adjective, determined, fixed, resolute, persistent)
5
intent(adjective, strong, flat, certain, determined)
4
rigid(adjective, harsh, cruel, determined, fierce)
3
dedicated(adjective, strong, firm, determined, steady)
3
enduring(adjective, strong, flat, certain, determined)
3
obdurate(adjective, strong, flat, harsh, certain)
3
pertinacious(adjective, strong, firm, energetic, determined)
2
bound(adjective, strong, flat, harsh, certain)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>