754 entries under adjective topic. ×

5
normal(usual, straight, standard, even)
5
particular(correct, solid, exact, proper)
5
pig-headed(determined, resolute, obstinate, uncompromising)
5
regular(correct, solid, exact, proper)
5
rock-ribbed(determined, resolute, uncompromising, unshakeable)
5
sharp(hard, correct, severe, rough)
5
starchy(hard, firm, solid, stiff)
5
staunch(set, hard, determined, resolute)
5
stilted
5
strong-willed(determined, resolute, uncompromising, unshakeable)
5
sturdy(close, set, strong, hard)
5
unfeeling(mean, hard, cool, severe)
5
unfriendly(set, cold, fixed, standoffish)
5
uniform(set, regular, fixed, even)
5
unsympathetic(mean, hard, severe, harsh)
4
astringent(strong, hard, tough, severe)
4
authoritarian(strong, hard, tough, severe)
4
chilly(cool, severe, cold, detached)
4
compact(close, set, strong, hard)
4
compressed(set, strong, hard, tough)
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APASmart Define. (2015). rigid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>