55 entries under uncompromising topic. ×

8
rigid(adjective, tough, determined, resolute, obstinate)
8
stiff-necked(adjective, tough, firm, resist, determined)
8
unwavering(adjective, strong, firm, determined, steady)
6
bigoted(adjective, determined, resolute, obstinate)
6
immovable(adjective, difficult, determined, resolute, obstinate)
6
set(adjective, determined, resolute, obstinate)
6
unbending(adjective, tough, determined, resolute, obstinate)
5
bull-headed(adjective, determined, resolute, obstinate, stubborn)
5
inexorable(adjective, tough, determined, resolute, obstinate)
5
pat(adjective, difficult, determined, resolute, obstinate)
5
stiff(adjective, determined, resolute, persistent, obstinate)
5
unbendable(adjective, determined, resolute, obstinate)
5
wilful(adjective, determined, resolute, unshakeable)
4
adamantine(adjective, determined, resolute, unshakeable)
4
bovine(adjective, determined, resolute, obstinate)
4
hard(adjective, sharp, determined, resolute, stubborn)
4
pig-headed(adjective, determined, resolute, obstinate, stubborn)
4
tough(adjective, firm, determined, resolute, obstinate)
3
brass-bound(adjective, determined, resolute, obstinate)
3
grim(adjective, determined, resolute, unshakeable)
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APASmart Define. (2015). pertinacious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, pertinacious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>.
MLASmart Define. "pertinacious thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms>