968 entries under adjective topic. ×

7
uphill(tough, severe, difficult, grim)
7
wiry(strong, thin, thick, abundant)
6
brittle(hard, firm, tense, rigid)
6
costly(fancy, extraordinary, extreme, high)
6
drastic(hard, severe, rough, harsh)
6
high-priced(fancy, extraordinary, extreme, high)
6
indomitable(hard, rigid, inflexible, strict)
6
labored(tough, severe, difficult, unusual)
6
laboured
6
overpriced(fancy, crazy, unreasonable, extreme)
6
pedantic(counterfeit, boring, affected, tedious)
6
pertinacious(determined, resolute, persistent, behaviour)
6
pissed
6
pixilated
6
plastered
6
potty
6
premium(fancy, valuable, expensive, steep)
6
pretentious(counterfeit, sham, refined, affected)
6
pricey(fancy, crazy, extreme, high)
6
proper
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APASmart Define. (2015). stiff thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, stiff thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>.
MLASmart Define. "stiff thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms>