183 entries under resolute topic. ×

6
hard-nosed(adjective, firm, determined, obstinate)
6
headstrong(adjective, tough, firm, determined, unreasonable)
6
heroic(adjective, vigorous, noble, stout)
6
purposeful(adjective, strong, tough, keen, firm)
6
set in stone(expression, adjective, idiom, calm, strong)
6
unhesitating(adjective, complete, firm, certain, serious)
6
valiant(adjective, strong, firm, noble, bold)
5
adamantine(adjective, tough, firm, determined)
5
allegiant(adjective, close, correct, continue, keen)
5
committed(adjective, kind, keen, warm, firm)
5
contrary(adjective, determined, persistent, obstinate)
5
deep(adjective, clear, tough, severe, determined)
5
earnest(adjective, complete, warm, total, sensible)
5
hearty(adjective, strong, complete, warm, total)
5
implacable(adjective, tough, firm, determined)
5
iron(adjective, strong, tough, firm, determined)
5
mulish(adjective, tough, firm, determined)
5
pat(adjective, firm, solid, determined, usual)
5
persisting(adjective, strong, tough, firm, determined)
5
positive(adjective, good, clear, strong, complete)
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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>