195 entries under failing topic. ×

3
fallibility(noun, weakness, flaw, defect)
3
limitation(noun, trouble, difficulty, weakness, bar)
2
debility(noun, disorder, weakness, fault, illness)
2
decay(noun, decline, disorder, ruin, defeat)
2
glitch(noun, weakness, crack, informal, fault)
2
impotence(noun, weakness, fault, lack, lapse)
2
inability(noun, weakness, failure, lack)
2
insubstantiality(noun, weakness, infirmity, fragility)
2
minus(noun, trouble, difficulty, weakness, bar)
2
miscarriage(noun, decline, ruin, defeat, collapse)
2
peccadillo(noun, wrong, evil, weakness, fault)
2
powerlessness(noun, weakness, fault, lack, lapse)
2
problem(noun, trouble, difficulty, weakness, bar)
2
puniness(noun, disorder, weakness, fault)
2
snag(noun, trouble, difficulty, weakness, bar)
2
taint(noun, weakness, crack, fault)
2
unsoundness(noun, disorder, weakness, crack, fault)
1
Achilles heel(noun, expression, weakness, fault, lack)
1
abortion(noun, decline, ruin, defeat, collapse)
1
affliction(noun, disorder, weakness, fault, illness)
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APASmart Define. (2015). deficiency thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/deficiency/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficiency thesaurus" https://smartdefine.org/deficiency/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, deficiency thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/deficiency/thesaurus/synonyms>.
MLASmart Define. "deficiency thesaurus" 23 December 2015. Web. 28 September 2026. <https://smartdefine.org/deficiency/thesaurus/synonyms>