Synonyms|563Antonyms|97|Broader|7Narrower|9Related|811

60 entries under insubstantial topic. ×

3
flimsy(adjective, light, weak, soft, slight)
3
imponderous(adjective, light, slight, easy, thin)
2
sheer(adjective, light, slight, easy, thin)
2
slender(adjective, dull, light, slight, easy)
2
slight(adjective, dull, light, weak, soft)
2
small(adjective, dull, light, slight, easy)
2
downy(adjective, light, slight, easy, thin)
2
featherweight(adjective, dull, light, slight, easy)
2
fluffy(adjective, light, slight, easy, thin)
2
frothy(adjective, light, slight, easy, thin)
2
imperceptible(adjective, slight, fine, thin)
2
lightweight(adjective, dull, light, slight, easy)
2
meager(adjective, dull, light, slight, easy)
2
sylphlike(adjective, light, slight, easy, thin)
2
unheavy(adjective, light, slight, easy, thin)
1
agile(adjective, light, slight, easy, thin)
1
crumbly(adjective, light, slight, easy, thin)
1
easy(adjective, light, slight, thin, delicate)
1
effervescent(adjective, light, slight, easy, thin)
1
floatable(adjective, light, slight, easy, thin)
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APASmart Define. (2016). ethereal thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/ethereal/thesaurus/synonyms
ChicagoSmart Define. 2016. "ethereal thesaurus" https://smartdefine.org/ethereal/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, ethereal thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/ethereal/thesaurus/synonyms>.
MLASmart Define. "ethereal thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/ethereal/thesaurus/synonyms>