138 entries under resolute topic. ×

5
intrepid(strong, determined, noble, bold)
5
potent(adjective, clear, strong, sound, severe)
5
reliable(adjective, calm, strong, secure, firm)
4
aggressive(adjective, clear, strong, severe, lively)
4
brave(adjective, strong, determined, noble, bold)
4
contrary(adjective, difficult, determined, obstinate)
4
decisive(adjective, energetic, effective, adept)
4
gutsy(adjective, clear, strong, severe, lively)
4
hardheaded(adjective, strong, hard, determined, unreasonable)
4
immovable(adjective, mean, strong, hard, determined)
4
inelastic(adjective, hard, determined, rigid)
4
intense(adjective, clear, strong, complete, severe)
4
intransigent(adjective, firm, determined, obstinate)
4
mulish(adjective, mean, strong, hard, firm)
4
persevering(adjective, firm, determined, unreasonable, grim)
4
pertinacious(adjective, firm, determined, obstinate)
4
red-blooded(adjective, strong, intense, energetic, powerful)
4
spirited(adjective, strong, energetic, powerful, lively)
4
tireless(adjective, strong, moving, difficult, lively)
4
true(adjective, strong, firm, determined, careful)
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APASmart Define. (2016). tough thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/tough/thesaurus/synonyms
ChicagoSmart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, tough thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>.
MLASmart Define. "tough thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms>