6
shrink(verb, decline, reduce, ease, diminish)
6
shrivelled
6
skimp(adjective, poor, small, boring, exiguous)
6
slim down(verb, expression, phrasal verb)
6
subtile(adjective, fine, transparent, rarity)
6
taper(noun, verb, adjective, quiet, decline)
6
thick(adjective, weak, great, poor, informal)
6
translucent(adjective, clear, light, fine, bright)
6
unimportant(adjective, weak, soft, gentle, mild)
6
vapid(adjective, dull, weak, flat, boring)
6
watered-down(adjective, dull, strong, light, weak)
6
waterish(adjective, strong, informal, pale, dilute)
5
angular(adjective, dull, mean, slight, delicate)
5
clear(verb, adjective, decline, fall, fail)
5
degrade(verb, cut, decline, reduce, ruin)
5
extenuate(verb, phrasal verb, cut, increase, reduce)
5
fade(verb, close, decline, reduce, fail)
5
gangly(adjective, dull, light, slight, fine)
5
half-starved(adjective, underweight, undernourished, underfed)
5
hungry(adjective, poor, small, boring, exiguous)
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APASmart Define. (2016). thin thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/thin/thesaurus/synonyms
ChicagoSmart Define. 2016. "thin thesaurus" https://smartdefine.org/thin/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, thin thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/thin/thesaurus/synonyms>.
MLASmart Define. "thin thesaurus" 22 January 2016. Web. 20 September 2026. <https://smartdefine.org/thin/thesaurus/synonyms>