78 entries under soft topic. ×

30
insubstantial(adjective, dull, body, strong, light)
23
weak(adjective, dull, strong, light, great)
19
thin(adjective, dull, light, weak, great)
18
feeble(adjective, dull, strong, light, weak)
17
slight(adjective, light, weak, easy)
16
light(adjective, weak, slight, thin)
9
insignificant(adjective, weak, gentle, mild)
8
puny(adjective, strong, light, weak)
7
spectral(adjective, dull, light, poor)
7
trivial(adjective, light, weak, slight)
6
poor(adjective, dull, light, weak)
6
trifling(adjective, light, weak, slight)
5
inadequate(adjective, dull, light, weak)
5
pale(adjective, dull, light, poor)
5
unimportant(adjective, weak, gentle, mild)
4
faint(adjective, dull, light, weak)
4
inconsequential(adjective, light, weak, slight)
3
frivolous(weak, gentle, content)
3
inconsiderable(adjective, weak, gentle, mild)
2
dim(adjective, dull, light, obscure)
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APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>