Synonyms|181Antonyms|16|Broader|0Narrower|0Related|196

63 entries under hard topic. ×

1
nonporous(adjective, tough, solid, rigid)
1
numbed(adjective, firm, solid, tense)
1
petrified(adjective, firm, solid, tense)
1
refractory(adjective, tough, firm, solid)
1
resistant(adjective, firm, solid, tense)
1
rheumatic(adjective, firm, solid, tense)
1
rigid(adjective, tough, firm, solid)
1
starched(adjective, firm, solid, stiff)
1
stark(adjective, firm, solid, tense)
1
steely(adjective, firm, solid, tense)
1
stony(adjective, firm, solid, stiff)
1
taut(adjective, firm, solid, stiff)
1
tense(adjective, firm, solid, stiff)
1
tight(adjective, firm, solid, stiff)
1
unbending(adjective, firm, solid, stiff)
1
unflexible(adjective, firm, solid, tense)
1
ungraceful(adjective, firm, solid, tense)
1
unsupple(adjective, firm, solid, tense)
1
unyielding(adjective, tough, firm, solid)
1
wooden(adjective, firm, solid, tense)
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HarvardSmart Define 2015, jelled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/jelled/thesaurus/synonyms>.
MLASmart Define. "jelled thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/jelled/thesaurus/synonyms>