407 entries under noun topic. ×

2
depletion(defeat, pass, difficulty, distress)
2
emptiness(pass, difficulty, distress, failure)
2
error(wrong, evil, weakness, crack)
2
exiguity(pass, difficulty, distress, failure)
2
flyspeck
2
glitch(weakness, crack, informal, fault)
2
hole(weakness, crack, fault, blemish)
2
impotence(weakness, fault, lack, lapse)
2
inability(weakness, failure, lack, failing)
2
incapacity(defect, imperfection, limitation, inadequacy)
2
inefficiency(defect, imperfection, limitation, inadequacy)
2
ineptitude(defect, imperfection, limitation, inadequacy)
2
insubstantiality(weakness, failing, infirmity, fragility)
2
kink(weakness, crack, fault, blemish)
2
lacuna
2
liability
2
minus(trouble, difficulty, weakness, bar)
2
miscarriage(decline, ruin, defeat, collapse)
2
part
2
peccadillo(wrong, evil, weakness, fault)
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APASmart Define. (2015). deficiency thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/deficiency/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficiency thesaurus" https://smartdefine.org/deficiency/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, deficiency thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/deficiency/thesaurus/synonyms>.
MLASmart Define. "deficiency thesaurus" 23 December 2015. Web. 29 September 2026. <https://smartdefine.org/deficiency/thesaurus/synonyms>