74 entries under rigid topic. ×

16
resolved(adjective, firm, deliberate, determined, usual)
15
bigoted(adjective, moderate, determined, straight, sober)
14
dogmatic(adjective, moderate, determined, straight, fixed)
14
tough(adjective, mean, strong, hard, rough)
13
hardheaded(adjective, strong, resist, cold, determined)
12
resistant(adjective, determined, resolute, stubborn)
12
unbendable(adjective, firm, determined, resolute)
11
unchangeable(adjective, moderate, cautious, strict)
8
set in stone(expression, adjective, idiom, mean, hard)
8
severe(adjective, severe)
8
steady(adjective, moderate, determined, resolution, resolute)
8
stern(adjective, hard, tough, severe, rough)
8
strong(adjective, tenacious)
8
unswayable(adjective, tough, firm, determined, resolute)
7
rigorous(adjective, hard, severe, resolute)
6
harsh(adjective, mean, hard, severe, rough)
6
single-minded(adjective, tough, firm, intense, deliberate)
6
strict(adjective, hard, tough, moderate, severe)
5
biased(adjective, passionate, violent, fervent)
5
definite(adjective, firm, determined, usual, unreasonable)
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APASmart Define. (2015). obstinate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obstinate/thesaurus/synonyms
ChicagoSmart Define. 2015. "obstinate thesaurus" https://smartdefine.org/obstinate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, obstinate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obstinate/thesaurus/synonyms>.
MLASmart Define. "obstinate thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/obstinate/thesaurus/synonyms>