206 entries under rigid topic. ×

4
unvarying(adjective, set, regular, fixed, even)
3
compressed(adjective, set, strong, hard, tough)
3
condensed(adjective, hard, tough, solid)
3
dense(adjective, close, set, strong, hard)
3
exact
3
illiberal(adjective, moderate, cautious, timid)
3
impenetrable(adjective, set, strong, hard, tough)
3
impervious(adjective, hard, tough, solid)
3
impliable(adjective, hard, firm, solid, stiff)
3
incorrigible(adjective, normal, even, reliable)
3
normal(adjective, straight, even, consistent)
3
starched(adjective, hard, firm, solid, stiff)
3
stark(adjective, hard, severe, firm, solid)
3
strong(adjective, set, hard, tough, flat)
3
tense(adjective, hard, firm, solid, stiff)
3
uniform(adjective, set, regular, fixed, even)
2
acrimonious(adjective, severe, harsh, stiff)
2
brittle(adjective, hard, firm, solid, stiff)
2
close(adjective, hard, tough, solid, stiff)
2
compact(adjective, close, set, strong, hard)
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APASmart Define. (2016). inflexible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms
ChicagoSmart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, inflexible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>.
MLASmart Define. "inflexible thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms>