277 entries under weak topic. ×

8
unbelievable(adjective, great, poor, informal)
8
wishy-washy(adjective, dull, light, soft)
8
wispy(adjective, slight, fine, delicate)
7
diluted(adjective, spread, general, deficient)
7
flat(adjective, dull, delicate, informal)
7
implausible(adjective, great, poor, informal)
7
inconceivable(adjective, light, great, poor)
7
incredible(adjective, great, poor, informal)
6
dainty(adjective, light, slight, easy)
6
improbable(adjective, great, poor, extraordinary)
6
thick(adjective, great, poor, informal)
6
unimportant(adjective, soft, gentle, mild)
6
vapid(adjective, dull, flat, boring)
6
watered-down(adjective, dull, strong, light)
5
insipid(adjective, dull, light, soft)
5
low(adjective, dull, soft, gentle)
5
questionable(adjective, great, extraordinary, amazing)
5
sketchy(adjective, poor, property, insufficient)
5
soft(adjective, dull, light, smooth)
5
stinted(poor, insufficient, scarce, insufficiency)
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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>