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

130 entries under slight topic. ×

9
paltry(adjective, weak, thin, delicate)
9
puny(adjective, strong, light, weak)
9
trifling(adjective, light, easy, thin)
8
inconsequential(adjective, light, easy, thin)
8
infirm(adjective, strong, light, weak)
8
rickety(adjective, weak, weakness, thin)
7
false(adjective, light, weak, fake)
7
metaphysical(adjective, body, light, weak)
7
negligible(adjective, small, limited, unimportant)
7
shaky(adjective, weak, thin, delicate)
7
small(adjective, light, weak, easy)
7
superficial(adjective, weak, flat, poor)
6
filmy(adjective, light, easy, thin)
6
inadequate(adjective, dull, light, weak, soft)
6
meaningless(adjective, use, value, trivial)
6
slender(adjective, mean, light, weak)
5
empty(adjective, value, negative, insignificant)
5
gossamery(adjective, light, easy, thin)
5
meager(adjective, mean, light, weak)
5
petty(adjective, light, weak, easy)
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ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>