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

188 entries under thin topic. ×

4
unconvincing(adjective, weak, flat, poor)
4
weightless(adjective, light, slight, easy)
3
faint(adjective, dull, light, weak, soft)
3
ineffective(adjective, dull, light, soft, poor)
3
ineffectual(adjective, dull, light, weak, soft)
3
lame(adjective, weak, flat, poor)
3
scant(adjective, mean, slight, flat, poor)
3
shallow(adjective, weak, slight, feeble)
3
spectral(adjective, dull, light, soft, poor)
3
wispy(adjective, light, weak, delicate)
2
dainty(adjective, light, weak, slight, easy)
2
feathery(adjective, light, slight, easy)
2
frothy(adjective, light, slight, easy)
2
insufficient(adjective, weak, slight, flat, poor)
2
little(adjective, light, slight, easy)
2
papery(adjective, weak, slight, delicate)
2
scanty(adjective, mean, weak, slight, flat)
2
sheer(adjective, light, weak, slight, easy)
2
slim(adjective, mean, weak, delicate)
2
sylphlike(adjective, light, slight, easy)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>