84 entries under inflexible topic. ×

23
relentless(adjective, mean, strong, hard, tough)
23
steadfast(adjective, strong, tough, firm, intense)
21
hard(adjective, mean, rough, harsh, cruel)
21
perverse(adjective, mean, hard, difficult, cross)
19
contumacious(adjective, deliberate, determined, negative, hostile)
19
persistent(adjective, strong, tough, continue, firm)
16
resolved(adjective, firm, deliberate, determined, usual)
16
unshakable(adjective, mean, strong, hard, tough)
15
bigoted(adjective, moderate, determined, straight, sober)
15
opinionated(adjective, violent, determined, fixed, resolute)
14
dogmatic(adjective, moderate, determined, straight, fixed)
14
tough(adjective, mean, strong, hard, rough)
13
hardheaded(adjective, strong, resist, cold, determined)
13
unruly(adjective, control, order, resist, violent)
12
rebellious(adjective, negative, hostile, adverse)
12
stiff-necked(adjective, mean, hard, severe, resist)
11
persevering(adjective, strong, tough, firm, determined)
11
willful(adjective, strong, tough, resist, violent)
9
pat(adjective, determined, usual, regular, serious)
9
unflinching(adjective, strong, firm, determined, resolution)
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APASmart Define. (2015). obstinate thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/obstinate/thesaurus/synonyms
ChicagoSmart Define. 2015. "obstinate thesaurus" https://smartdefine.org/obstinate/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, obstinate thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/obstinate/thesaurus/synonyms>.
MLASmart Define. "obstinate thesaurus" 3 August 2015. Web. 30 September 2026. <https://smartdefine.org/obstinate/thesaurus/synonyms>