Synonyms|796Antonyms|149|Broader|10Narrower|0Related|951

350 entries under adjective topic. ×

3
theoretical(fantastic, abstract, imaginary, unreal)
3
tottering(weakness, unstable, ill, shaky)
3
unactual
3
unbodied(body, immaterial)
3
unconcrete
3
vacuous
3
wispy(weak, fine, thin, delicate)
3
wobbly(weak, slight, thin, delicate)
2
absurd(irrational, unbelievable, implausible, improbable)
2
attenuate(fine, thin, delicate, slim)
2
attenuated(fine, thin, delicate, slim)
2
conceptual
2
crumbling
2
crumbly(light, slight, easy, thin)
2
debilitated(weak, delicate, uncertain, ill)
2
dilapidated
2
dim(dull, light, soft, obscure)
2
effete(uncertain, feeble, shaky, hesitant)
2
enervated(uncertain, feeble, shaky, hesitant)
2
enfeebled(weak, delicate, ill, sick)
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APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>