55 entries under insubstantial topic. ×

1
floaty(adjective, light, trivial, airy)
1
graceful(adjective, light, weak, soft, slight)
1
imponderous(adjective, light, slight, easy, thin)
1
light-footed(adjective, light, slight, easy, thin)
1
lithe(adjective, light, slight, easy, thin)
1
nimble(adjective, light, slight, easy, thin)
1
not heavy(expression, adjective, slight, easy, thin)
1
porous(adjective, light, slight, easy, fine)
1
portable(adjective, light, slight, easy, thin)
1
sandy(adjective, light, slight, easy, thin)
1
sprightly(adjective, light, slight, easy, thin)
1
tissuelike(adjective, light, slight, easy, thin)
1
unheavy(adjective, light, slight, easy, thin)
0
disposable(adjective, thin, frail, slim)
0
paper-thin(adjective, thin, frail, slim, shallow)
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APASmart Define. (2016). flimsy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/flimsy/thesaurus/synonyms
ChicagoSmart Define. 2016. "flimsy thesaurus" https://smartdefine.org/flimsy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, flimsy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/flimsy/thesaurus/synonyms>.
MLASmart Define. "flimsy thesaurus" 26 January 2016. Web. 29 September 2026. <https://smartdefine.org/flimsy/thesaurus/synonyms>