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

90 entries under trivial topic. ×

1
buoyant(adjective, light, slight, easy, thin)
1
casual(adjective, weak, soft, gentle, mild)
1
downy(adjective, light, slight, easy, thin)
1
easy(adjective, light, slight, thin, delicate)
1
effervescent(adjective, light, slight, easy, thin)
1
exhausted(adjective, uncertain, feeble, useless)
1
featherweight(adjective, light, slight, easy, thin)
1
feathery(adjective, light, slight, easy, thin)
1
filmy(adjective, light, slight, easy, thin)
1
floatable(adjective, light, slight, easy, thin)
1
floating(adjective, light, slight, easy, thin)
1
fluffy(adjective, light, slight, easy, thin)
1
friable(adjective, light, slight, easy, thin)
1
frothy(adjective, light, slight, easy, thin)
1
graceful(adjective, light, slight, easy, thin)
1
idle(light, weak, slight, useless)
1
imponderous(adjective, light, slight, easy, thin)
1
impracticable(useless, doubtful, insufficient, hopeless)
1
impractical(excellent, gentle, marvelous, insufficient)
1
inappreciable(adjective, fine, unimportant, minor)
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APASmart Define. (2016). unsubstantial thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 1 October 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>