13
half-assed
13
niggardly(adjective, weak, poor, small, common)
12
few(adjective, small, common, insignificant, limited)
11
incompetent(adjective, weak, poor, thin, delicate)
11
sparse(adjective, close, light, weak, soft)
11
thin(adjective, close, light, weak, soft)
10
stingy(adjective, close, light, slight, poor)
9
inferior(adjective, weak, poor, miserable, inadequate)
9
little(adjective, close, light, slight, insignificant)
9
shabby(adjective, weak, slight, poor, small)
8
bad(adjective, weak, poor, false, inferior)
8
disappointing
8
ineffectual(adjective, weak, thin, delicate, failure)
8
small(adjective, light, weak, slight, poor)
8
trifling(adjective, light, weak, soft, slight)
7
inappropriate(adjective, insignificant, unimportant, useless, minor)
7
inconsiderable(adjective, weak, soft, slight, gentle)
7
ineffective(adjective, weak, failure, inadequate, feeble)
7
not enough(expression, adjective, idiom, weak, poor)
7
petty(adjective, light, slight, poor, small)
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APASmart Define. (2016). insufficient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/insufficient/thesaurus/synonyms
ChicagoSmart Define. 2016. "insufficient thesaurus" https://smartdefine.org/insufficient/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, insufficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/insufficient/thesaurus/synonyms>.
MLASmart Define. "insufficient thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/insufficient/thesaurus/synonyms>