77 entries under gentle topic. ×

4
dreamy(adjective, obscure, marvelous, heavenly)
4
faint(adjective, dull, light, weak, soft)
4
inconsequential(adjective, light, weak, soft, slight)
4
otherworldly(adjective, excellent, strange, marvelous)
3
frivolous(weak, soft, content)
3
inconsiderable(adjective, weak, soft, mild)
3
soft(light, weak, content, pastel)
2
astral(excellent, marvelous, vague, dreamy)
2
minor(adjective, weak, soft, mild)
2
superficial(adjective, weak, soft, thin)
1
casual(adjective, weak, soft, mild)
1
digestible(weak, soft, content)
1
fractional(weak, soft, content)
1
fragmentary(weak, soft, content)
1
frugal(weak, soft, content)
1
hardly enough(expression, weak, soft, content)
1
impractical(excellent, marvelous, trivial, insufficient)
1
indistinct(weak, soft, obscure, content)
1
mild(weak, soft, content)
1
minuscule(adjective, weak, soft, 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>