74 entries under rigid topic. ×

12
unyielding(adjective, tough, firm, solid, resist)
11
inflexible(adjective, tough, firm, solid, resist)
11
unbending(adjective, firm, resist, determined, resolute)
11
uncompromising(adjective, tough, firm, resist, determined)
9
inexorable(adjective, tough, firm, resist, determined)
7
intractable(adjective, tough, firm, difficult, unreasonable)
7
refractory(adjective, hard, tough, firm, difficult)
7
unbendable(adjective, firm, resist, determined, resolute)
6
firm(adjective, tough, solid, determined, stiff)
3
fixed(adjective, hard, firm, solid, stiff)
3
indurate(adjective, firm, solid, determined, resolute)
3
pigheaded(adjective, tough, firm, difficult, awkward)
3
resolute(adjective, tough, firm, difficult, determined)
3
steely(adjective, firm, solid, determined, resolute)
3
stiff(adjective, hard, tough, severe, firm)
2
hard(adjective, severe, firm, solid, stiff)
2
inelastic(adjective, hard, tough, severe, firm)
2
mulish(adjective, tough, firm, difficult, awkward)
2
obstinate(adjective, tough, firm, difficult, fixed)
2
tough(adjective, firm, difficult, informal, awkward)
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APASmart Define. (2015). incompliant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/incompliant/thesaurus/synonyms
ChicagoSmart Define. 2015. "incompliant thesaurus" https://smartdefine.org/incompliant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, incompliant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/incompliant/thesaurus/synonyms>.
MLASmart Define. "incompliant thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/incompliant/thesaurus/synonyms>