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

130 entries under slight topic. ×

1
floating(adjective, light, easy, thin)
1
friable(adjective, light, easy, thin)
1
graceful(adjective, light, easy, thin)
1
house of cards(expression, weak, thin, feeble)
1
imponderous(adjective, light, easy, thin)
1
inane(adjective, value, insignificant, unimportant)
1
inappreciable(weak, poor, small, miserable)
1
light-footed(adjective, light, easy, thin)
1
lithe(adjective, light, easy, fine)
1
loose(adjective, light, easy, thin)
1
nimble(adjective, light, easy, thin)
1
not heavy(expression, adjective, easy, fine)
1
porous(adjective, light, easy, thin)
1
portable(adjective, light, easy, thin)
1
rinkydink(weak, thin, feeble, tacky)
1
sandy(adjective, light, easy, thin)
1
scarce(weak, poor, limited, insufficient)
1
short(weak, poor, inadequate, limited)
1
skimpy(adjective, mean, weak, flat)
1
slapdash(weak, thin, feeble, tacky)
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ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>