151 entries under weak topic. ×

1
lousy(poor, insufficient, scarce)
1
low(adjective, poor, thin, delicate)
1
out of gas(expression, adjective, idiom, thin)
1
powerless(adjective, thin, delicate, uncertain)
1
rinkydink(slight, thin, feeble, tacky)
1
sapless(adjective, thin, delicate, shaky)
1
scarce(slight, poor, limited, insufficient)
1
shattery(weakness, infirm, fragile)
1
short(slight, poor, inadequate, limited)
1
sickly(adjective, dull, light, soft)
1
skimpy(adjective, mean, slight, flat)
1
slapdash(slight, thin, feeble, tacky)
1
spare(adjective, mean, slight, fine)
1
sparse(adjective, mean, slight, flat)
1
sterile(poor, insufficient, scarce)
1
stinted(poor, insufficient, scarce)
1
strengthless(adjective, thin, delicate, shaky)
1
stunted(poor, insufficient, scarce)
1
tacky(slight, thin, feeble, flimsy)
1
tender(adjective, delicate, uncertain, feeble)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>