132 entries under obstinate topic. ×

28
unshakable(adjective, determined, resolute, stubborn)
25
hard-nosed(adjective, strong, hard, secure, tough)
24
steadfast(adjective, strong, secure, tough, flat)
23
adamantine(adjective, strong, hard, tough, resist)
23
dogged(adjective, strong, tough, firm, harsh)
23
set(adjective, strong, determined, resolute)
22
mulish(adjective, strong, hard, tough, firm)
22
unbendable(adjective, resist, determined, resolute, persistent)
21
tough(adjective, mean, strong, hard, cool)
18
tenacious(adjective, strong, determined, resolute)
17
callous(adjective, person, mean, hard, cool)
16
implacable(adjective, mean, strong, hard, tough)
16
intractable(adjective, tough, firm, difficult, violent)
16
severe(adjective, mean, strong, hard, tough)
16
unwavering(adjective, strong, secure, flat, certain)
15
perverse(adjective, mean, tough, firm, harsh)
15
stern(adjective, mean, hard, tough, severe)
14
headstrong(adjective, hard, tough, rough, harsh)
14
stiff-necked(adjective, strong, hard, tough, severe)
13
hard-boiled(adjective, person, strong, hard, tough)
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APASmart Define. (2016). obdurate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms
ChicagoSmart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, obdurate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>.
MLASmart Define. "obdurate thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms>