91 entries under stubborn topic. ×

29
tenacious(adjective, strong, tough, firm, difficult)
26
dogged(adjective, strong, tough, firm, energetic)
22
obstinate(adjective, mean, strong, tough, continue)
21
persistent(adjective, strong, tough, continue, firm)
19
resolute(adjective, strong, tough, firm, determined)
17
inflexible(adjective, determined, resolute, obstinate)
16
determined(adjective, strong, tough, firm, deliberate)
16
firm(noun, adjective, strong, tough, determined)
16
mulish(adjective, strong, tough, firm, difficult)
15
headstrong(adjective, strong, tough, firm, difficult)
13
obdurate(adjective, determined, resolute, obstinate)
12
pigheaded(adjective, tough, firm, difficult, resist)
11
bullheaded(adjective, tough, difficult, resist, wild)
11
intractable(adjective, strong, tough, firm, difficult)
11
intransigent(adjective, determined, resolute, obstinate)
11
steadfast(adjective, tough, firm, determined, resolute)
11
unrelenting(adjective, strong, tough, cold, determined)
11
willful(adjective, strong, tough, firm, difficult)
9
contumacious(adjective, tough, firm, determined, unreasonable)
9
opinionated(adjective, tough, firm, determined, resolute)
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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>