76 entries under trivial topic. ×

29
unsubstantial(adjective, dull, body, strong, light)
26
flimsy(adjective, strong, light, weak, slight)
20
slight(adjective, mean, light, weak, easy)
18
thin(adjective, dull, mean, light, weak)
14
insignificant(adjective, weak, value, small, unimportant)
14
airy(adjective, light, weak, slight, easy)
13
lightweight(adjective, light, slight, easy, thin)
12
ethereal(adjective, light, slight, easy, thin)
11
delicate(adjective, strong, light, weak, slight)
10
light(adjective, weak, soft, slight, thin)
9
paltry(adjective, weak, slight, thin, delicate)
9
trifling(adjective, light, slight, easy, thin)
8
inconsequential(adjective, light, slight, easy, thin)
7
negligible(adjective, slight, small, limited, unimportant)
7
small(adjective, light, weak, slight, easy)
7
superficial(adjective, weak, slight, flat, poor)
6
filmy(adjective, light, slight, easy, thin)
6
meaningless(adjective, slight, use, value)
6
slender(adjective, mean, light, weak, slight)
6
unimportant(adjective, value, small, insignificant)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>