98 entries under strict topic. ×

2
dead set on(expression, adjective, idiom, strong, secure)
2
enduring(adjective, strong, flat, certain, determined)
2
forbidding(adjective, person, close, strong, hard)
2
hard as nails(expression, adjective, idiom, strong, hard)
2
hostile(adjective, person, tough, harsh, feelings)
2
inclement(adjective, tough, harsh, cruel, grim)
2
intense(adjective, severe, harsh, wild, cruel)
2
unadaptable(adjective, hard, resolute, rigid, inflexible)
2
unalterable(adjective, severe, definite, fixed, stiff)
2
unkind(adjective, mean, hard, cool, tough)
1
abiding(adjective, strong, flat, intense, certain)
1
bitter(adjective, strong, hard, tough, harsh)
1
cold fish(expression, adjective, hard, tough, severe)
1
definite(strong, severe, certain, stiff, inflexible)
1
dyed-in-the-wool(adjective, set, strong, hard, tough)
1
exact(strong, severe, certain, definite, stiff)
1
fierce(adjective, mean, hard, rough, harsh)
1
heavy(adjective, strong, hard, tough, severe)
1
immutable(adjective, hard, steady, fixed, rigid)
1
intent(adjective, strong, flat, intense, certain)
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APASmart Define. (2016). obdurate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms
ChicagoSmart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, obdurate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>.
MLASmart Define. "obdurate thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms>