80 entries under determined topic. ×

3
brave(adjective, bold, resolute, unconcerned)
3
inexhaustible(adjective, strong, firm, energetic)
3
strong(adjective, firm, steady, bold)
3
strong-willed(adjective, firm, intense, deliberate)
3
unremitting(adjective, strong, firm, energetic)
2
bound(adjective, intense, certain, deliberate)
2
continuing(adjective, strong, firm, steady)
2
dauntless(adjective, bold, resolute, unconcerned)
2
decisive(adjective, firm, certain, serious)
2
intent(adjective, firm, intense, certain, deliberate)
2
plodding(adjective, strong, firm, steady)
2
plugging(adjective, strong, firm, steady)
2
settled(adjective, firm, solid, intense, certain)
2
unafraid(adjective, bold, resolute, unconcerned)
1
bent(adjective, firm, intense, deliberate)
1
brick-wall(adjective, firm, solid, steady)
1
committed(adjective, complete, warm, total, passionate)
1
continued(adjective, strong, firm, steady)
1
emphatic(adjective, complete, warm, total, passionate)
1
fearless(adjective, bold, resolute, unconcerned)
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APASmart Define. (2015). unfaltering thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unfaltering/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfaltering thesaurus" https://smartdefine.org/unfaltering/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unfaltering thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unfaltering/thesaurus/synonyms>.
MLASmart Define. "unfaltering thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/unfaltering/thesaurus/synonyms>