193 entries under determined topic. ×

2
focused(adjective, fixed, resolute, absorbed)
2
gritty(adjective, steady, noble, resolute)
2
hardheaded(tough, firm, resolute, obstinate)
2
hardy(strong, solid, resolute, robust)
2
incompliant(adjective, resolute, stubborn, uncompromising)
2
ironclad(adjective, set, hard, firm)
2
remorseless(adjective, resolute, uncompromising, unshakeable)
2
serious(adjective, strong, firm, total, sensible)
2
spirited(adjective, strong, keen, passionate, enthusiastic)
2
unafraid(adjective, noble, bold, resolute)
2
unflappable(adjective, dull, firm, solid)
1
agreed(adjective, certain, usual, regular)
1
appointed(adjective, firm, usual, regular)
1
arranged(adjective, certain, usual, regular)
1
bigoted(adjective, resolute, obstinate, uncompromising)
1
bovine(adjective, resolute, obstinate, uncompromising)
1
brass-bound(adjective, resolute, obstinate, uncompromising)
1
brassbound(adjective, resolute, uncompromising, unshakeable)
1
bull-headed(adjective, resolute, obstinate, uncompromising)
1
cogent(adjective, clear, tough, severe, honest)
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APASmart Define. (2016). steadfast thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/steadfast/thesaurus/synonyms
ChicagoSmart Define. 2016. "steadfast thesaurus" https://smartdefine.org/steadfast/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, steadfast thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/steadfast/thesaurus/synonyms>.
MLASmart Define. "steadfast thesaurus" 11 March 2016. Web. 25 September 2026. <https://smartdefine.org/steadfast/thesaurus/synonyms>