207 entries under adjective topic. ×

1
saturnine
1
set in stone(determined, resolute, obstinate, uncompromising)
1
stalwart
1
standing pat(determined, resolute, obstinate, uncompromising)
1
stern(determined, resolute, uncompromising, unshakeable)
1
strong(tough, firm, cold, determined)
1
sure
1
tough-nut(hard, tough, difficult, wild)
1
unalterable(determined, fixed, stubborn)
1
unappeasable(determined, resolute, uncompromising, unshakeable)
1
unceasing(strong, firm, determined, steady)
1
unchangeable
1
undeterred(strong, firm, determined, steady)
1
undeviating
1
unforgiving(determined, resolute, uncompromising, unshakeable)
1
unshakeable
1
unshaken
1
unstinted(strong, firm, determined, steady)
1
unswayable(determined, resolute, obstinate, uncompromising)
0
decided
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APASmart Define. (2015). pertinacious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, pertinacious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>.
MLASmart Define. "pertinacious thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms>