125 entries under weak topic. ×

6
failing(verb, poor, short, inadequate)
6
feeble(adjective, mean, bad, poor)
6
shabby(adjective, mean, bad, poor)
6
subpar(adjective, poor, miserable, inferior)
5
infirm(adjective, mean, down, ill)
5
second-rate(adjective, mean, bad, lower)
4
base(adjective, mean, bad, lower)
4
below par(expression, adjective, idiom, bad)
4
delicate(adjective, mean, down, ill)
4
incompetent(poor, inadequate, insufficient, deficient)
4
invalid(adjective, mean, down, ill)
4
mean(adjective, bad, lower, poor)
4
mediocre(adjective, mean, bad, lower)
4
not enough(expression, adjective, idiom, poor)
4
poorly(adjective, adverb, mean, down)
4
small(poor, insufficient, scarce, incomplete)
4
substandard(adjective, mean, bad, lower)
4
too little(expression, adjective, idiom, poor)
3
common(adjective, mean, bad, lower)
3
found wanting(expression, idiom, poor, bare)
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APASmart Define. (2016). imperfect thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imperfect/thesaurus/synonyms
ChicagoSmart Define. 2016. "imperfect thesaurus" https://smartdefine.org/imperfect/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, imperfect thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imperfect/thesaurus/synonyms>.
MLASmart Define. "imperfect thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/imperfect/thesaurus/synonyms>