- Definitions|2
- Thesaurus|605
- Abbreviations|0
| impliability(noun, protection, security, rigidity, hardness) | |
| obstinateness(noun, obstinacy) | |
| pigheadedness(noun, determination, perseverance, obstinacy, stubbornness) | |
| precision(firmness, severity, harshness, conformity, strictness) | |
| puritanism(severity, strictness, sternness) | |
| remorselessness(noun, state, quality, resist, perseverance) | |
| resoluteness(noun, resolve, determination, firmness, persistence) | |
| rigorism | |
| solidity(noun, firmness, protection, security, toughness) | |
| stability(noun, firmness, rigidity, stiffness) | |
| stick-to-it-iveness | |
| stringency(noun, firmness, severity, harshness, conformity) | |
| temper(noun, protection, security, rigidity, hardness) | |
| unalterability | |
| unchangeability | |
| uncompromisingness | |
| unyieldingness(obstinacy, stubbornness, ruthlessness, pitilessness, mercilessness) | |
| acerbity(firmness, severity, strictness, rigidity, stiffness) | |
| adamancy(noun, determination, perseverance, obstinacy, stubbornness) | |
| adamantness |
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| APA | Smart Define. (2015). inflexibility thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/inflexibility/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "inflexibility thesaurus" https://smartdefine.org/inflexibility/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, inflexibility thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/inflexibility/thesaurus/synonyms>. |
| MLA | Smart Define. "inflexibility thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/inflexibility/thesaurus/synonyms> |