Synonyms|860Antonyms|162|Broader|10Narrower|5Related|1.4k

122 entries under light topic. ×

4
fluffy(adjective, slight, easy, thin)
4
imponderable(adjective, weak, slight, negative)
4
insipid(adjective, soft, pastel)
4
weightless(adjective, slight, easy, thin)
3
faint(adjective, dull, weak, soft)
3
fly-by-night(adjective, weak, slight, short)
3
idle(adjective, weak, slight, trivial)
3
ineffective(adjective, dull, soft, poor)
3
ineffectual(adjective, dull, weak, soft)
3
pale(adjective, dull, soft, poor)
3
spectral(adjective, dull, soft, poor)
3
wispy(adjective, weak, thin, delicate)
2
cobwebby(adjective, delicate, airy, fragile)
2
dainty(adjective, weak, slight, easy)
2
feathery(adjective, slight, easy, thin)
2
finespun(adjective, airy, fragile, transparent)
2
frothy(adjective, slight, easy, thin)
2
little(adjective, slight, easy, thin)
2
sheer(adjective, weak, slight, easy)
2
sylphlike(adjective, slight, easy, thin)
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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>