199 entries under hard topic. ×

1
relentless(adjective, mean, harsh, cold)
1
remorseless(adjective, mean, severe, harsh)
1
repellent(adjective, mean, cool, unpleasant)
1
repugnant(adjective, mean, cool, unpleasant)
1
rheumatic(adjective, firm, solid, stiff)
1
satanic(adjective, mean, harsh, cold)
1
sensationless(adjective, tough, severe, cruel)
1
senseless(adjective, tough, severe, cruel)
1
solidified(adjective, firm, solid, stiff)
1
soulless(adjective, mean, harsh, careless)
1
spiritless(adjective, cool, careless, indifferent)
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)
1
surly(adjective, mean, tough, severe)
1
taut(adjective, firm, solid, stiff)
1
tense(adjective, firm, solid, stiff)
1
thick(adjective, firm, solid, stiff)
1
thickened(adjective, firm, solid, stiff)
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APASmart Define. (2016). stony thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stony/thesaurus/synonyms
ChicagoSmart Define. 2016. "stony thesaurus" https://smartdefine.org/stony/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, stony thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stony/thesaurus/synonyms>.
MLASmart Define. "stony thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/stony/thesaurus/synonyms>