113 entries under noun topic. ×

19
inflexibility(state, quality, resist, firmness)
15
stiffness(strain, pressure, firmness, protection)
13
hardness(easy, condition, discipline, firmness)
12
rigidness(state, quality, resist, perseverance)
10
strictness(regulation, control, easy, command)
9
austerity(easy, condition, discipline, firmness)
8
firmness(severity, tension, harshness, toughness)
8
severity(easy, condition, discipline, firmness)
7
grimness(state, quality, resist, discipline)
7
harshness(easy, condition, discipline, firmness)
7
inexorability(state, quality, resist, perseverance)
7
intransigence(state, quality, resist, perseverance)
7
obduracy(state, quality, resist, severity)
7
rigor(easy, condition, discipline, firmness)
7
sternness(easy, condition, discipline, firmness)
7
stringency(easy, condition, discipline, firmness)
7
tension(firmness, tightness, tautness)
7
toughness(easy, condition, discipline, firmness)
6
implacability(state, quality, resist, perseverance)
6
inelasticity(protection, security, hardness, inflexibility)
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APASmart Define. (2015). rigidity thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rigidity/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigidity thesaurus" https://smartdefine.org/rigidity/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, rigidity thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rigidity/thesaurus/synonyms>.
MLASmart Define. "rigidity thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/rigidity/thesaurus/synonyms>