1
mathematical precision
1
mercilessness(noun, ruthlessness, pitilessness, relentlessness)
1
mulishness(noun, perseverance, obstinacy, stubbornness, inflexibility)
1
niceness
1
nicety
1
orthodoxy
1
perfection
1
permanency
1
perpetualness
1
persistency
1
pigheadedness(noun, perseverance, obstinacy, stubbornness, inflexibility)
1
pitilessness(noun, ruthlessness, mercilessness, relentlessness)
1
precisianism
1
punctilio
1
purism
1
refinement
1
regimentation(noun, discipline)
1
resistance(noun, firmness, protection, security, toughness)
1
resoluteness(noun, firmness, stiffness)
1
resolution
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APASmart Define. (2015). rigidity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rigidity/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigidity thesaurus" https://smartdefine.org/rigidity/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, rigidity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rigidity/thesaurus/synonyms>.
MLASmart Define. "rigidity thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/rigidity/thesaurus/synonyms>