350 entries under adjective topic. ×

1
anemic(dull, light, weak, soft)
1
anile(weak, delicate, ill, sick)
1
ashen(dull, light, soft, poor)
1
ashy(dull, light, soft, poor)
1
asinine
1
atmospheric(light, slight, easy, thin)
1
bizarre(strange, fantasy, unreal)
1
bloodless(dull, light, soft, poor)
1
buoyant(light, slight, easy, thin)
1
cadaverous(dull, light, soft, poor)
1
casual(weak, soft, gentle, mild)
1
colorless(dull, light, soft, poor)
1
deathlike(dull, light, soft, poor)
1
doughy(dull, light, soft, poor)
1
downy(light, slight, easy, thin)
1
easy(light, slight, thin, delicate)
1
eerie
1
effervescent(light, slight, easy, thin)
1
elusive
1
exhausted(uncertain, feeble, useless, trivial)
<1…678910>
10 years ago|15k views|share |citing 
APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>