50 entries under hard topic. ×

1
frozen(adjective, firm, solid, stiff)
1
graceless(adjective, firm, solid, stiff)
1
hardened(adjective, firm, solid, stiff)
1
incompliant(adjective, firm, solid, stiff)
1
indurate(adjective, firm, solid, stiff)
1
jelled(adjective, firm, solid, stiff)
1
mechanical(adjective, firm, solid, stiff)
1
numbed(adjective, firm, solid, stiff)
1
ossified(adjective, firm, solid, stiff)
1
petrified(adjective, firm, solid, stiff)
1
refractory(adjective, firm, solid, stiff)
1
resistant(adjective, firm, solid, stiff)
1
rheumatic(adjective, firm, solid, stiff)
1
set(adjective, firm, solid, stiff)
1
solid(adjective, firm, stiff, tense)
1
solidified(adjective, firm, solid, stiff)
1
starched(adjective, firm, solid, stiff)
1
starchy(adjective, firm, solid, stiff)
1
stark(adjective, firm, solid, stiff)
1
stiff as a board(expression, adjective, idiom, firm)
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APASmart Define. (2015). impliable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impliable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impliable thesaurus" https://smartdefine.org/impliable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, impliable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impliable/thesaurus/synonyms>.
MLASmart Define. "impliable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/impliable/thesaurus/synonyms>