3
partial(adjective, incomplete)
3
patchy(adjective, incomplete)
3
puny(adjective, light, weak, soft, slight)
3
second-rate(adjective, weak, poor, miserable, inferior)
3
shoddy(adjective, weak, poor, miserable, inferior)
3
short of(adjective, lacking, enough)
3
small-minded(adjective, poor, small, common, insignificant)
3
spare(adjective, close, light, weak, slight)
3
straitened
3
substandard(adjective, weak, poor, miserable, inferior)
3
trivial(adjective, light, weak, soft, slight)
3
unavailing(adjective, weak, failure, short, useless)
3
undone(adjective, incomplete)
3
unequal to(verb, phrasal verb, insufficiency)
3
untenable(adjective, useless, unfit, unacceptable)
2
abortive(failure, inutility)
2
awkward(adjective, inadequate, useless, inept, unable)
2
bantam(adjective, small, common, insignificant, unimportant)
2
below par(expression, adjective, idiom, weak, poor)
2
bereft(adjective, lacking, enough)
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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>