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

384 entries under adjective topic. ×

2
obscure
2
off(strange, small, unimportant, minor)
2
papery(weak, slight, thin, delicate)
2
piddling(slight, small, unimportant, trivial)
2
pointless(value, insignificant, unimportant, empty)
2
puerile
2
purposeless(value, insignificant, unimportant, empty)
2
remote(small, unimportant, minor)
2
run-down(feeble, frail, flimsy, dilapidated)
2
scanty(mean, weak, slight, flat)
2
senseless(value, insignificant, unimportant, empty)
2
shabby(slight, small, miserable, inadequate)
2
sheer(light, weak, slight, easy)
2
skin-deep
2
slim(mean, weak, thin, delicate)
2
surface
2
surreal(strange, fantasy, unreal)
2
sylphlike(light, slight, easy, thin)
2
tottering(weakness, unstable, ill, feeble)
2
transient
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
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>