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

130 entries under slight topic. ×

2
scanty(adjective, mean, weak, flat)
2
shabby(adjective, small, miserable, inadequate)
2
sheer(adjective, light, weak, easy)
2
sketchy(poor, trivial, insufficient, scarce)
2
sylphlike(adjective, light, easy, thin)
1
agile(adjective, light, easy, thin)
1
atmospheric(adjective, light, easy, thin)
1
bare(weak, poor, small, miserable)
1
barren(weak, poor, small, inadequate)
1
buoyant(adjective, light, easy, thin)
1
chiffon(adjective, light, weak, thin)
1
crumbly(adjective, light, easy, thin)
1
defective(weak, poor, thin, feeble)
1
deficient(poor, inadequate, limited, trivial)
1
downy(adjective, light, easy, thin)
1
easy(adjective, light, thin, delicate)
1
effervescent(adjective, light, easy, thin)
1
exiguous(adjective, mean, thin, small)
1
featherweight(adjective, light, easy, thin)
1
floatable(adjective, light, easy, thin)
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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>