5
faulty(adjective, weak, poor, plain, miserable)
5
inferior(adjective, weak, poor, miserable, short)
5
meagre(adjective, poor, small, common, insignificant)
5
narrow(adjective, poor, small, common, insignificant)
5
niggardly(adjective, weak, poor, small, common)
5
out(adjective, away, absent)
5
partial(adjective, inadequate, deficient, incomplete, imperfect)
5
shabby(adjective, weak, poor, small, common)
5
sketchy(adjective, inadequate, bare, deficient, incomplete)
5
vacant(adjective, poor, small, insignificant, unimportant)
4
crude(adjective, weak, poor, plain, rude)
4
defaulting(verb, adjective)
4
immature(adjective, poor, plain, inadequate, bare)
4
in want of(expression, adjective, idiom, full)
4
inwhickedsavory(adjective, small, common, insignificant, unimportant)
4
lack(noun, verb)
4
less(adjective, inferior, smaller)
4
low(adjective, weak, poor, short, insufficient)
4
minus(adjective, preposition, bar, save, deficient)
4
sans(adjective, preposition, poor, short, empty)
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APASmart Define. (2015). lacking thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lacking/thesaurus/synonyms
ChicagoSmart Define. 2015. "lacking thesaurus" https://smartdefine.org/lacking/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, lacking thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lacking/thesaurus/synonyms>.
MLASmart Define. "lacking thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/lacking/thesaurus/synonyms>