119 entries under stubborn topic. ×

6
purposeful(adjective, strong, tough, keen, firm)
6
set in stone(expression, adjective, idiom, calm, strong)
6
unshaken(adjective, clear, strong, flat, firm)
6
valiant(adjective, strong, firm, noble, bold)
5
adamantine(adjective, tough, firm, determined, resolute)
5
implacable(adjective, tough, firm, determined, resolute)
5
iron(adjective, strong, tough, firm, determined)
5
mulish(adjective, tough, firm, determined, resolute)
5
persisting(adjective, strong, tough, firm, determined)
5
strict(adjective, close, strong, correct, flat)
5
unswayable(adjective, determined, resolute, strict, obstinate)
4
intractable(adjective, tough, determined, unreasonable, fixed)
4
rooted(adjective, secure, certain, determined, usual)
3
bound(adjective, strong, tough, flat, firm)
3
bullheaded(adjective, tough, firm, determined, resolute)
3
contumacious(adjective, tough, firm, persistent, obstinate)
3
die-hard(adjective, firm, honest, determined, unreasonable)
3
pigheaded(adjective, tough, firm, determined, usual)
3
recalcitrant(adjective, tough, firm, persistent, obstinate)
3
stiff-necked(adjective, determined, usual, unreasonable, regular)
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APASmart Define. (2016). steadfast thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/steadfast/thesaurus/synonyms
ChicagoSmart Define. 2016. "steadfast thesaurus" https://smartdefine.org/steadfast/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, steadfast thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/steadfast/thesaurus/synonyms>.
MLASmart Define. "steadfast thesaurus" 11 March 2016. Web. 27 September 2026. <https://smartdefine.org/steadfast/thesaurus/synonyms>