5
lame(adjective, bad, weak, flat, poor)
5
light(adjective, soft, slight, gentle, small)
5
miserly(adjective, weak, poor, scarce, meager)
5
narrow(adjective, close, light, slight, poor)
5
tight(adjective, poor, small, insignificant, unimportant)
5
too little(expression, adjective, idiom, weak, poor)
5
unable(adjective, weak, inadequate, useless, incompetent)
5
unacceptable(adjective, bad, poor, offensive, inferior)
5
unqualified(adjective, weak, poor, short, inadequate)
5
useless(adjective, bad, poor, failure, inadequate)
4
bare(adjective, close, light, weak, slight)
4
base(adjective, weak, poor, small, common)
4
depleted(adjective, poor, small, insignificant, unimportant)
4
destitute(adjective, inadequate, deficient, lacking, enough)
4
disproportionate
4
dissatisfactory(adjective, unsatisfactory)
4
flawed
4
inappreciable(adjective, slight, insignificant, limited, unimportant)
4
infrequent(adjective, weak, slight, poor, inferior)
4
meagerly
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APASmart Define. (2016). insufficient thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/insufficient/thesaurus/synonyms
ChicagoSmart Define. 2016. "insufficient thesaurus" https://smartdefine.org/insufficient/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, insufficient thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/insufficient/thesaurus/synonyms>.
MLASmart Define. "insufficient thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/insufficient/thesaurus/synonyms>