Synonyms|459Antonyms|106|Broader|3Narrower|0Related|84
2
balky(tough, firm, unreasonable, grim, inflexible)
2
bulldog
2
bulldogged
2
clamorous
2
continuing(adjective, strong, firm, determined, steady)
2
deliberate(adjective, determined, intentional)
2
dogmatic(determined, fixed, rigid, strict, stern)
2
dynamic
2
earnest
2
enduring
2
forbidding
2
froward(adjective, deliberate, determined, intentional)
2
glowering
2
glum
2
hardened(adjective, determined, fixed, resolute, stubborn)
2
immutable
2
incompliant(adjective, tough, firm, difficult, awkward)
2
inconvincible(adjective, determined, resolute, uncompromising, unshakeable)
2
invincible
2
lasting
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APASmart Define. (2015). pertinacious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, pertinacious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>.
MLASmart Define. "pertinacious thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms>