460 entries under adjective topic. ×

25
intractable(control, order, strong, hard)
24
pigheaded(mean, hard, resist, deliberate)
24
stiff(hard, tough, rough, firm)
23
fixed(mean, hard, rough, firm)
23
inexorable(mean, hard, tough, firm)
23
pertinacious(mean, strong, tough, continue)
23
relentless(mean, strong, hard, tough)
23
steadfast(strong, tough, firm, intense)
21
hard(mean, rough, harsh, cruel)
21
perverse(mean, hard, difficult, cross)
20
unrelenting(mean, strong, hard, tough)
19
contumacious(deliberate, determined, negative, hostile)
19
persistent(strong, tough, continue, firm)
18
hard-nosed(mean, hard, tough, rough)
18
unwavering(firm, intense, deliberate, determined)
16
disobedient(cross, stubborn, willful, unruly)
16
resolved(firm, deliberate, determined, usual)
16
set(strong, tough, firm, determined)
16
unshakable(mean, strong, hard, tough)
16
wilful(determined, resolute, uncompromising, unshakeable)
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APASmart Define. (2015). obstinate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obstinate/thesaurus/synonyms
ChicagoSmart Define. 2015. "obstinate thesaurus" https://smartdefine.org/obstinate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, obstinate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obstinate/thesaurus/synonyms>.
MLASmart Define. "obstinate thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/obstinate/thesaurus/synonyms>