91 entries under insubstantial topic. ×

4
petty(adjective, light, weak, slight, easy)
3
ethereal(adjective, dull, light, slight, easy)
3
rawboned(adjective, dull, mean, slight, thin)
2
agile(adjective, light, slight, easy, thin)
2
featherweight(adjective, dull, light, slight, easy)
2
inconsequential(adjective, light, slight, easy, thin)
2
lightweight(adjective, dull, light, slight, easy)
2
nimble(adjective, light, slight, easy, thin)
2
rangy(adjective, dull, mean, slight, thin)
2
vague(adjective, weak, shaky, questionable)
2
weightless(adjective, light, slight, easy, thin)
1
atmospheric(adjective, light, slight, easy, thin)
1
buoyant(adjective, light, slight, easy, thin)
1
crumbly(adjective, light, slight, easy, thin)
1
dainty(adjective, light, weak, slight, easy)
1
downy(adjective, light, slight, easy, thin)
1
easy(adjective, light, smooth, slight, thin)
1
effervescent(adjective, light, slight, easy, thin)
1
feathery(adjective, light, slight, easy, thin)
1
filmy(adjective, light, slight, easy, fine)
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APASmart Define. (2016). slender thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/slender/thesaurus/synonyms
ChicagoSmart Define. 2016. "slender thesaurus" https://smartdefine.org/slender/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, slender thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/slender/thesaurus/synonyms>.
MLASmart Define. "slender thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/slender/thesaurus/synonyms>