99 entries under flimsy topic. ×

2
doubtful(adjective, weak, great, extraordinary, unreasonable)
2
dubious(adjective, weak, great, extraordinary, unreasonable)
2
idle(adjective, light, weak, slight, imaginary)
2
imponderable(light, weak, slight, imaginary)
2
intangible(adjective, light, weak, slight, fine)
2
limited(adjective, close, light, slight, fine)
2
little(adjective, close, light, slight, easy)
2
obscure(weak, unreasonable, pale, dubious, unlikely)
2
petty(adjective, light, weak, slight, easy)
2
problematic(adjective, unreasonable, doubtful, dubious, suspicious)
2
weightless(adjective, light, slight, easy, delicate)
1
failing(adjective, close, light, weak, poor)
1
fanciful(adjective, light, weak, slight, fancy)
1
fishy(adjective, weak, great, delicate, extraordinary)
1
full of holes(expression, idiom, extraordinary, unreasonable, dubious)
1
impossible(extraordinary, strange, unreasonable, amazing, dubious)
1
incorporeal(light, weak, slight, imaginary)
1
reachy(extraordinary, strange, unreasonable, dubious, unlikely)
1
tiffany(adjective, clear, light, fine, delicate)
1
too much(expression, extraordinary, unreasonable, amazing, dubious)
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APASmart Define. (2016). thin thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/thin/thesaurus/synonyms
ChicagoSmart Define. 2016. "thin thesaurus" https://smartdefine.org/thin/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, thin thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/thin/thesaurus/synonyms>.
MLASmart Define. "thin thesaurus" 22 January 2016. Web. 23 September 2026. <https://smartdefine.org/thin/thesaurus/synonyms>