Synonyms|860Antonyms|162|Broader|10Narrower|5Related|1.4k

76 entries under trivial topic. ×

1
barren(weak, slight, poor, small, inadequate)
1
buoyant(adjective, light, slight, easy, thin)
1
crumbly(adjective, light, slight, easy, thin)
1
deficient(slight, poor, inadequate, limited)
1
downy(adjective, light, slight, easy, thin)
1
easy(adjective, light, slight, thin, delicate)
1
effervescent(adjective, light, slight, easy, thin)
1
failing(adjective, weak, poor, thin, delicate)
1
featherweight(adjective, light, slight, easy, thin)
1
floatable(adjective, light, slight, easy, thin)
1
floating(adjective, light, slight, easy, thin)
1
floaty(adjective, light, delicate, airy)
1
friable(adjective, light, slight, easy, thin)
1
graceful(adjective, light, slight, easy, thin)
1
imponderous(adjective, light, slight, easy, thin)
1
inane(adjective, slight, value, insignificant, unimportant)
1
incompetent(adjective, weak, poor, low, thin)
1
light-footed(adjective, light, slight, easy, thin)
1
lithe(adjective, light, slight, easy, fine)
1
loose(adjective, light, slight, easy, thin)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>