147 entries under deficiency topic. ×

26
weakness(noun, characteristic, trouble, help, check)
25
flaw(noun, trouble, wrong, difficulty, weakness)
23
fault(noun, trouble, help, disorder, difficulty)
18
foible(noun, help, wrong, slip, weakness)
18
defect(noun, trouble, disorder, wrong, difficulty)
17
shortcoming(noun, help, disorder, point, weakness)
15
imperfection(noun, trouble, disorder, difficulty, weakness)
14
frailty(noun, help, disorder, wrong, slip)
12
blemish(noun, weakness, fault, lack, lapse)
12
infirmity(noun, help, disorder, wrong, weakness)
12
lapse(noun, break, drop, fall, wrong)
10
weak point(noun, expression, idiom, characteristic, trouble)
9
decay(noun, drop, decline, disorder, ruin)
9
decline(noun, drop, ruin, defeat, fall)
9
vice(noun, wrong, slip, weakness, burden)
7
deterioration(noun, drop, decline, ruin, defeat)
7
downfall(noun, drop, decline, ruin, defeat)
7
drawback(noun, trouble, check, block, difficulty)
7
inadequacy(noun, trouble, decline, ruin, defeat)
6
abortion(noun, decline, ruin, defeat, neglect)
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APASmart Define. (2015). failing thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/failing/thesaurus/synonyms
ChicagoSmart Define. 2015. "failing thesaurus" https://smartdefine.org/failing/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, failing thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/failing/thesaurus/synonyms>.
MLASmart Define. "failing thesaurus" 23 December 2015. Web. 26 September 2026. <https://smartdefine.org/failing/thesaurus/synonyms>