552 entries under adjective topic. ×

8
sylphlike(light, slight, easy, delicate)
8
threadlike(dull, light, slight, fine)
8
twiggy(dull, light, slight, fine)
8
unbelievable(weak, great, poor, informal)
8
underfed(faint, pale, wasted, hungry)
8
wishy-washy(dull, light, weak, soft)
8
wispy(weak, slight, fine, delicate)
7
diluted(weak, spread, general, deficient)
7
emaciate(verb, blow, poor, weaken)
7
ethereal(dull, light, slight, easy)
7
flat(dull, weak, delicate, informal)
7
implausible(weak, great, poor, informal)
7
inconceivable(light, weak, great, poor)
7
incredible(weak, great, poor, informal)
7
jejune(poor, small, boring, insufficiency)
7
scrimp(verb, poor, small, boring)
7
stingy(close, mean, light, slight)
7
tight(close, light, slight, fine)
7
withered
7
wizened(dull, light, slight, fine)
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APASmart Define. (2016). thin thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/thin/thesaurus/synonyms
ChicagoSmart Define. 2016. "thin thesaurus" https://smartdefine.org/thin/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, thin thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/thin/thesaurus/synonyms>.
MLASmart Define. "thin thesaurus" 22 January 2016. Web. 21 September 2026. <https://smartdefine.org/thin/thesaurus/synonyms>