226 entries under hard topic. ×

3
graceless(adjective, firm, solid, stiff)
3
hard-shell(adjective, strong, tough, severe)
3
impenetrable(adjective, set, strong, tough)
3
serious(adjective, strong, tough, severe)
3
uncooperative(adjective, mean, persistent, obstinate)
2
bitter(adjective, set, strong, tough)
2
brittle(adjective, firm, solid, stiff)
2
brutal(adjective, correct, severe, rough)
2
concentrated(adjective, set, strong, complete)
2
concrete(adjective, tough, correct, solid)
2
fit(adjective, strong, solid, stiff)
2
hard-boiled(adjective, mean, strong, tough)
2
impervious(adjective, tough, solid, detached)
2
impliable(adjective, firm, solid, stiff)
2
indurated(adjective, set, strong, firm)
2
packed(adjective, set, strong, firm)
2
perverse(adjective, mean, tough, firm)
2
rough(adjective, strong, tough, severe)
2
solidified(adjective, set, tough, firm)
2
unflexible(adjective, tough, firm, solid)
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APASmart Define. (2015). rigid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>