Synonyms|110Antonyms|0|Broader|0Narrower|0Related|13
2
cruelty(noun, ruthlessness, pitilessness, mercilessness)
2
die-hardism(noun, state, quality, resist, perseverance)
2
doggedness(noun, perseverance, obstinacy, stubbornness, inflexibility)
2
grimness(noun, state, quality, resist, perseverance)
2
harshness(noun, ruthlessness, pitilessness, mercilessness, relentlessness)
2
implacableness(noun, state, quality, resist, perseverance)
2
inflexibleness(noun, state, quality, resist, perseverance)
2
remorselessness(noun, state, quality, resist, perseverance)
2
stiffness
1
adamancy(perseverance, obstinacy, stubbornness, inflexibility, rigor)
1
armor
1
austerity
1
bullheadedness(perseverance, obstinacy, stubbornness, inflexibility, rigor)
1
callus
1
cold-bloodedness(noun, ruthlessness, pitilessness, mercilessness, relentlessness)
1
contumacy(perseverance, obstinacy, stubbornness, inflexibility, rigor)
1
endurance
1
firmness
1
flintiness
1
fundamentalism
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APASmart Define. (2015). obdurateness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obdurateness/thesaurus/synonyms
ChicagoSmart Define. 2015. "obdurateness thesaurus" https://smartdefine.org/obdurateness/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, obdurateness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obdurateness/thesaurus/synonyms>.
MLASmart Define. "obdurateness thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/obdurateness/thesaurus/synonyms>