Synonyms|418Antonyms|57|Broader|5Narrower|10Related|115
1
durability(noun, firmness, protection, security, toughness)
1
endurance(noun, firmness, rigidity, stiffness)
1
fate
1
fatefulness
1
firmness of mind(expression, idiom)
1
force majeure
1
fundamentalism
1
guts(noun, resolve, determination, firmness, persistence)
1
gutsiness(noun, resolve, determination, firmness, persistence)
1
guttiness(noun, resolve, determination, firmness, persistence)
1
hard
1
hard-bittenness
1
hard-nosedness
1
hardheadedness(noun, obstinacy)
1
hardship(severity, harshness, conformity, strictness, conservatism)
1
heart(noun, resolve, determination, firmness, persistence)
1
immobilization
1
immovableness
1
impenetrability(noun, protection, security, rigidity, hardness)
1
impermeability(noun, protection, security, rigidity, hardness)
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APASmart Define. (2015). inflexibility thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/inflexibility/thesaurus/synonyms
ChicagoSmart Define. 2015. "inflexibility thesaurus" https://smartdefine.org/inflexibility/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, inflexibility thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/inflexibility/thesaurus/synonyms>.
MLASmart Define. "inflexibility thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/inflexibility/thesaurus/synonyms>