125 entries under obstinate topic. ×

1
hard-shell(adjective, persistent, insistent, dogged)
1
hard-shelled(adjective, persistent, insistent, dogged)
1
incessant(adjective, energetic, determined, active, steady)
1
inelastic(adjective, determined, resolute, uncompromising)
1
insurgent(adjective, persistent, insistent, dogged)
1
interminable(adjective, determined, steady, resolute, persistent)
1
mutinous(adjective, persistent, insistent, dogged)
1
narrow-minded(adjective, persistent, insistent, dogged)
1
obsessive(adjective, persistent, insistent, dogged)
1
ornery(tough, firm, unreasonable, inflexible)
1
perverse(adjective, tough, firm, determined, fixed)
1
pig-headed(adjective, determined, resolute, uncompromising)
1
rebellious(adjective, tough, firm, unreasonable, inflexible)
1
self-willed(adjective, tough, firm, determined, fixed)
1
stringent(adjective, set, hard, stiff, rigid)
1
unadaptable(adjective, set, hard, stiff, rigid)
1
ungovernable(adjective, persistent, insistent, dogged)
1
unreasonable(tough, firm, inflexible, stubborn)
1
unregenerate(adjective, persistent, insistent, dogged)
1
unruly(adjective, persistent, insistent, dogged)
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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>