30
lack(noun, verb, trouble, check, pass)
30
insufficiency(noun, pass, difficulty, distress, weakness)
25
inadequacy(noun, trouble, decline, ruin, defeat)
25
flaw(noun, trouble, check, block, damage)
24
shortcoming(noun, check, disorder, wrong, evil)
23
imperfection(noun, trouble, check, disorder, wrong)
20
want(noun, verb, defeat, pass, difficulty)
20
dearth(noun, pass, difficulty, distress, weakness)
20
defect(noun, trouble, check, disorder, difficulty)
19
shortage(noun, pass, difficulty, distress, weakness)
19
weakness(noun, trouble, charge, check, disorder)
18
paucity(noun, pass, difficulty, distress, weakness)
18
scantiness(noun, weakness, condition, failure, want)
17
deficit(noun, decline, ruin, defeat, pass)
17
need(noun, defeat, pass, difficulty, distress)
17
scarcity(noun, pass, difficulty, distress, weakness)
16
failing(noun, trouble, check, decline, disorder)
15
absence(noun, state, want, need, lack)
15
frailty(noun, disorder, difficulty, weakness, fault)
13
fault(noun, trouble, disorder, wrong, evil)
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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>