53 entries under resolute topic. ×

6
steely(adjective, dull, strong, hard, tough)
6
tenacious(adjective, strong, tough, firm, solid)
5
brassbound(adjective, resist, determined, persistent)
5
die-hard(adjective, resist, determined, persistent)
5
immovable(adjective, mean, strong, hard, tough)
5
remorseless(adjective, resist, determined, persistent)
5
steadfast(adjective, strong, tough, firm, determined)
5
unbendable(adjective, resist, determined, persistent)
4
obstinate(adjective, set, mean, strong, hard)
4
resolved(adjective, determined, resolution, persistent)
4
set(verb, adjective, strong, tough, firm)
4
stiff(adjective, firm, rigid, inflexible)
3
fast(adjective, strong, tough, firm, solid)
3
indurate(adjective, set, mean, hard, firm)
3
rock-ribbed(adjective, determined, uncompromising, unshakeable)
3
stiff-necked(adjective, mean, hard, tough, firm)
3
strong-willed(adjective, determined, resolution, uncompromising)
3
tough(adjective, mean, strong, hard, firm)
2
dogged(adjective, mean, strong, hard, tough)
2
rigorous(hard, rigid, inflexible, strict)
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APASmart Define. (2015). iron thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/iron/thesaurus/synonyms
ChicagoSmart Define. 2015. "iron thesaurus" https://smartdefine.org/iron/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, iron thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/iron/thesaurus/synonyms>.
MLASmart Define. "iron thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/iron/thesaurus/synonyms>