90 entries under shaky topic. ×

4
unsteady(adjective, false, uncertain, unstable, ill)
3
faint(adjective, dull, light, weak, soft)
3
ineffectual(adjective, dull, light, weak, soft)
3
lame(adjective, weak, flat, poor, thin)
2
dangerous(false, unstable, ill, insane)
2
insufficient(adjective, weak, slight, flat, poor)
2
papery(adjective, weak, slight, thin, delicate)
2
undependable(adjective, uncertain, feeble, hesitant)
1
aged(adjective, weak, thin, delicate, feeble)
1
ailing(adjective, weak, thin, delicate, unstable)
1
chicken(adjective, weak, thin, delicate)
1
chiffon(adjective, light, weak, slight, thin)
1
debilitated(adjective, weak, thin, delicate, uncertain)
1
doddering(adjective, weak, thin, delicate, feeble)
1
dopey(adjective, weak, thin, delicate)
1
effete(adjective, weak, thin, delicate, uncertain)
1
emasculated(adjective, weak, thin, delicate)
1
enervated(adjective, weak, thin, delicate, uncertain)
1
enfeebled(adjective, weak, thin, delicate)
1
etiolated(adjective, weak, thin, delicate)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>