90 entries under trivial topic. ×

30
insubstantial(adjective, dull, body, strong, light)
27
flimsy(adjective, strong, light, weak, great)
21
unreal(adjective, gentle, fake, substance)
19
fragile(adjective, strong, light, weak, slight)
19
frail(adjective, strong, light, weak, slight)
19
thin(adjective, dull, light, weak, great)
18
feeble(adjective, dull, strong, light, weak)
18
immaterial(adjective, form, body, light, weak)
18
lightweight(adjective, light, slight, easy, thin)
17
slight(adjective, light, weak, soft, easy)
16
light(adjective, weak, soft, slight, thin)
14
ethereal(adjective, light, slight, easy, thin)
10
delicate(adjective, strong, light, weak, slight)
10
infirm(adjective, strong, light, weak, slight)
9
airy(adjective, light, weak, slight, easy)
9
insignificant(adjective, weak, soft, gentle, mild)
7
delusive(adjective, strange, fantasy, insufficient)
6
paltry(adjective, weak, small, insignificant, unimportant)
6
trifling(adjective, light, weak, soft, slight)
5
unimportant(adjective, weak, soft, gentle, mild)
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APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>