77 entries under inadequate topic. ×

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blanched(adjective, dull, light, soft, poor)
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bleached(adjective, dull, light, soft, poor)
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derisory(poor, insufficient, scarce, scanty)
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faded(adjective, dull, light, soft, poor)
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inadequate poor(expression, small, miserable, insufficient)
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infertile(slight, small, miserable, limited)
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mean(adjective, thin, insufficient, paltry)
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measly(slight, limited, trivial, insufficient)
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mere(slight, small, miserable, limited)
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minimum(slight, small, miserable, limited)
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miserable(slight, small, limited, insufficient)
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scrimp(slight, small, miserable, limited)
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scrimpy(slight, small, miserable, limited)
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skimp(slight, small, miserable, limited)
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unfinished(slight, limited, insufficient, scanty)
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unfruitful(slight, small, miserable, limited)
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wanting(slight, limited, insufficient, scanty)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>