105 entries under obstinate topic. ×

6
unswerving(adjective, strong, tough, firm, determined)
5
bull-headed(adjective, determined, resolute, stubborn)
5
inexorable(adjective, tough, determined, resolute)
5
pat(adjective, difficult, determined, resolute)
5
staunch(adjective, strong, tough, firm, determined)
5
stiff(adjective, determined, resolute, persistent)
5
unbendable(adjective, determined, resolute, uncompromising)
4
bovine(adjective, determined, resolute, uncompromising)
4
constant(adjective, strong, firm, determined, active)
4
indomitable(adjective, strong, tough, firm, difficult)
4
pig-headed(adjective, determined, resolute, stubborn)
4
purposeful(adjective, deliberate, determined, resolute)
4
tough(adjective, firm, determined, resolute)
4
wayward(adjective, tough, difficult, awkward)
3
brass-bound(adjective, determined, resolute, uncompromising)
3
hidebound(adjective, determined, resolute, uncompromising)
3
inelastic(adjective, determined, resolute, uncompromising)
3
steady(adjective, strong, firm, determined, resolute)
3
uncooperative(adjective, tough, difficult, awkward)
3
unremitting(adjective, strong, firm, energetic, determined)
11 years ago|8k views|share |citing 
APASmart Define. (2015). pertinacious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, pertinacious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>.
MLASmart Define. "pertinacious thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms>