2
curtailment(noun, weakness, failure, want, need)
2
damage(noun, trouble, hurt, defeat, fall)
2
death(noun, trouble, hurt, defeat, fall)
2
debility(noun, disorder, weakness, fault, illness)
2
debt(noun, defeat, pass, wrong, evil)
2
decay(noun, decline, disorder, ruin, defeat)
2
depletion(noun, defeat, pass, difficulty, distress)
2
emptiness(noun, pass, difficulty, distress, failure)
2
error(noun, wrong, evil, weakness, crack)
2
exiguity(noun, pass, difficulty, distress, failure)
2
flyspeck(noun, insufficiency)
2
glitch(noun, weakness, crack, informal, fault)
2
hole(noun, weakness, crack, fault, blemish)
2
impotence(noun, weakness, fault, lack, lapse)
2
inability(noun, weakness, failure, lack, failing)
2
inaptness(defect, imperfection, limitation, inadequacy, shortage)
2
incapacity(noun, defect, imperfection, limitation, inadequacy)
2
incompetency(lack, defect, imperfection, limitation, inadequacy)
2
inefficacy(defect, imperfection, limitation, inadequacy, shortage)
2
inefficiency(noun, defect, imperfection, limitation, inadequacy)
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APASmart Define. (2015). deficiency thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/deficiency/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficiency thesaurus" https://smartdefine.org/deficiency/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, deficiency thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/deficiency/thesaurus/synonyms>.
MLASmart Define. "deficiency thesaurus" 23 December 2015. Web. 20 September 2026. <https://smartdefine.org/deficiency/thesaurus/synonyms>