126 entries under obstinate topic. ×

11
strict(adjective, strong, hard, tough, easy)
10
hardheaded(adjective, strong, hard, tough, determined)
10
hidebound(adjective, firm, determined, stiff, resolute)
10
indomitable(adjective, set, strong, hard, tough)
10
rigorous(adjective, strong, hard, tough, harsh)
10
willful(adjective, strong, tough, firm, violent)
9
cruel(adjective, appearance, mean, strong, hard)
9
merciless(adjective, appearance, mean, hard, tough)
9
unforgiving(adjective, mean, hard, tough, severe)
9
unswayable(adjective, determined, resolute, rigid)
8
bigoted(adjective, determined, resolute, uncompromising)
8
persevering(adjective, strong, tough, flat, firm)
8
set in stone(expression, adjective, idiom, set, mean)
7
brassbound(adjective, resist, determined, resolute, persistent)
7
bull-headed(adjective, determined, resolute, stubborn)
7
contumacious(adjective, tough, firm, determined, fixed)
7
die-hard(adjective, resist, determined, resolute, persistent)
7
pig-headed(adjective, determined, resolute, stubborn)
7
sturdy(adjective, set, strong, hard, sound)
6
bovine(adjective, determined, resolute, uncompromising)
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APASmart Define. (2016). unyielding thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unyielding/thesaurus/synonyms
ChicagoSmart Define. 2016. "unyielding thesaurus" https://smartdefine.org/unyielding/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unyielding thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unyielding/thesaurus/synonyms>.
MLASmart Define. "unyielding thesaurus" 10 March 2016. Web. 30 September 2026. <https://smartdefine.org/unyielding/thesaurus/synonyms>