61 entries under paltry topic. ×

1
flabby(adjective, weak, thin, delicate, shaky)
1
helpless(adjective, weak, thin, delicate, shaky)
1
impotent(adjective, weak, poor, thin, delicate)
1
incompetent(adjective, weak, poor, low, thin)
1
indecisive(adjective, weak, thin, delicate, shaky)
1
inefficient(adjective, weak, thin, delicate, shaky)
1
languid(adjective, weak, thin, delicate, uncertain)
1
low(adjective, weak, poor, thin, delicate)
1
out of gas(expression, adjective, idiom, weak, thin)
1
powerless(adjective, weak, thin, delicate, uncertain)
1
sapless(adjective, weak, thin, delicate, shaky)
1
sickly(adjective, dull, light, weak, soft)
1
skimpy(adjective, mean, weak, slight, flat)
1
spare(adjective, mean, weak, slight, fine)
1
sparse(adjective, mean, weak, slight, flat)
1
strengthless(adjective, weak, thin, delicate, shaky)
1
vitiated(adjective, weak, thin, delicate, shaky)
1
weakened(adjective, weak, thin, delicate, uncertain)
1
wimpy(adjective, weak, thin, delicate, shaky)
1
woozy(adjective, weak, thin, delicate, shaky)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>