87 entries under small topic. ×

6
unimportant(adjective, value, insignificant, trivial)
5
gossamery(adjective, light, slight, easy, thin)
5
meager(adjective, mean, light, weak, slight)
5
petty(adjective, light, weak, slight, easy)
4
fluffy(adjective, light, slight, easy, thin)
4
subtle(slight, miserable, inadequate, limited)
4
weightless(adjective, light, slight, easy, thin)
3
inconsiderable(adjective, weak, slight, poor, low)
3
minor(adjective, unimportant)
3
scant(adjective, mean, slight, flat, poor)
2
dainty(adjective, light, weak, slight, easy)
2
feathery(adjective, light, slight, easy, thin)
2
frothy(adjective, light, slight, easy, thin)
2
insufficient(adjective, weak, slight, flat, poor)
2
little(adjective, light, slight, easy, thin)
2
off(adjective, strange, unimportant, minor)
2
piddling(adjective, slight, unimportant, trivial)
2
remote(adjective, unimportant, minor)
2
scanty(adjective, mean, weak, slight, flat)
2
shabby(adjective, slight, miserable, inadequate)
10 years ago|18k views|share |citing 
APASmart Define. (2016). insubstantial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>