Synonyms|126Antonyms|40|Broader|0Narrower|0Related|504

21 entries under adjective topic. ×

6
solidified(verb, hardened)
5
indurated
5
ossified
5
toughened
3
petrified
3
starched
3
stiff
2
fortified
2
inflexible
2
rigid
2
unyielding
2
vitrified
1
brittle
1
coagulated
1
firm
1
hard
1
inelastic
1
solid
1
tough
1
unbending
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APASmart Define. (2015). stiffened thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stiffened/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiffened thesaurus" https://smartdefine.org/stiffened/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stiffened thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stiffened/thesaurus/synonyms>.
MLASmart Define. "stiffened thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/stiffened/thesaurus/synonyms>