Synonyms|860Antonyms|162|Broader|10Narrower|5Related|1.4k
2
little(adjective, light, slight, easy, thin)
2
made-up(imaginary, fictional)
2
makeshift(adjective, poor, uncertain, feeble, hesitant)
2
minuscule
2
mock(fake, false, imaginary, fanciful, illusory)
2
momentary
2
niggardly(weak, poor, insufficient, scarce)
2
nugatory(adjective, value, insignificant, unimportant, empty)
2
obscure
2
off(adjective, strange, small, unimportant, minor)
2
papery(adjective, weak, slight, thin, delicate)
2
passing
2
perilous(unstable, vulnerable, dangerous, unprotected, precarious)
2
phantasmal
2
piddling(adjective, slight, small, unimportant, trivial)
2
pointless(adjective, value, insignificant, unimportant, empty)
2
provisional
2
puerile
2
purposeless(adjective, value, insignificant, unimportant, empty)
2
remote(adjective, small, unimportant, minor)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>