113 entries under hard topic. ×

1
creaky(adjective, firm, stiff, tense)
1
graceless(adjective, firm, stiff, tense)
1
hulk(adjective, compact, dense, strapping)
1
immalleable(adjective, firm, stiff, tense)
1
impervious(adjective, set, tough, heavy)
1
impliable(adjective, firm, stiff, tense)
1
incompliant(adjective, firm, stiff, tense)
1
indurate(adjective, set, firm, stiff)
1
massed(adjective, close, strong, heavy)
1
mechanical(adjective, firm, stiff, tense)
1
numbed(adjective, firm, stiff, tense)
1
obese(adjective, big, heavy, deep)
1
pudgy(adjective, big, heavy, deep)
1
refractory(adjective, tough, firm, tense)
1
rheumatic(adjective, firm, stiff, tense)
1
rock-hard(adjective, firm, compact, dense)
1
squat(adjective, heavy, deep, sturdy)
1
starched(adjective, firm, stiff, tense)
1
starchy(adjective, firm, sober, serious)
1
stark(adjective, strong, sound, tough)
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APASmart Define. (2016). solid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/solid/thesaurus/synonyms
ChicagoSmart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, solid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>.
MLASmart Define. "solid thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms>