96 entries under poor topic. ×

1
sallow(adjective, dull, light, soft)
1
scarce(weak, slight, limited, insufficient)
1
short(weak, slight, inadequate, limited)
1
sick(adjective, dull, light, soft)
1
sickly(adjective, dull, light, weak, soft)
1
skimpy(adjective, mean, weak, slight, flat)
1
spare(adjective, mean, weak, slight, fine)
1
sparse(adjective, mean, weak, slight, flat)
1
sterile(weak, insufficient, scarce)
1
stinted(weak, insufficient, scarce)
1
stunted(weak, insufficient, scarce)
1
too little(expression, weak, insufficient, scarce)
1
unproductive(weak, slight, small, inadequate)
1
unqualified(weak, insufficient, scarce)
1
vapid(adjective, flat, value, insignificant)
1
wan(adjective, dull, light, soft)
1
washed-out(adjective, dull, light, soft)
1
waxen(adjective, dull, light, soft)
1
waxlike(adjective, dull, light, soft)
1
whitish(adjective, dull, light, soft)
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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>