Synonyms|251Antonyms|39|Broader|2Narrower|0Related|383

35 entries under obstinate topic. ×

9
uncompliant(adjective, tough, firm, resist, determined)
8
set(adjective, severe, firm, harsh, determined)
5
rigorous(adjective, set, strong, hard, tough)
2
immutable(hard, resolute, rigid, inflexible, strict)
2
strict(adjective, set, strong, hard, tough)
2
unadaptable(hard, resolute, rigid, inflexible, strict)
2
unchangeable(hard, resolute, rigid, inflexible, strict)
1
dyed-in-the-wool(adjective, set, strong, hard, tough)
1
indomitable(adjective, set, strong, hard, tough)
1
recalcitrant(tough, firm, unreasonable, grim)
1
staunch(hard, resolute, rigid, inflexible, strict)
0
hard-and-fast(hard, resolute, rigid, inflexible, strict)
0
hidebound(stubborn, unbending)
0
set in your ways(expression, idiom, stubborn, unbending)
0
unswayable(hard, resolute, rigid, inflexible, strict)
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ChicagoSmart Define. 2015. "adamantine thesaurus" https://smartdefine.org/adamantine/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, adamantine thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/adamantine/thesaurus/synonyms>.
MLASmart Define. "adamantine thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/adamantine/thesaurus/synonyms>