Synonyms|207Antonyms|12|Broader|0Narrower|0Related|379

102 entries under adjective topic. ×

1
refractory(hard, firm, solid, tense)
1
resistant(hard, firm, solid, tense)
1
rheumatic(hard, firm, solid, stiff)
1
rigid(hard, firm, solid, stiff)
1
starched(hard, firm, solid, stiff)
1
stark(hard, firm, solid, tense)
1
steely(hard, firm, solid, stiff)
1
stiff as a board(expression, idiom, firm, solid)
1
stony(hard, firm, solid, stiff)
1
swollen
1
taut(hard, firm, solid, stiff)
1
tense(hard, firm, solid, stiff)
1
tight(hard, firm, solid, stiff)
1
turbid(set, solid, heavy, deep)
1
unbending(hard, firm, solid, stiff)
1
unflexible(hard, firm, solid, stiff)
1
ungraceful(hard, firm, solid, tense)
1
unsupple(hard, firm, solid, stiff)
1
unyielding(hard, firm, solid, stiff)
1
vitrified(set, solid, heavy, deep)
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ChicagoSmart Define. 2015. "thickened thesaurus" https://smartdefine.org/thickened/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, thickened thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/thickened/thesaurus/synonyms>.
MLASmart Define. "thickened thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/thickened/thesaurus/synonyms>