407 entries under noun topic. ×

1
implosion(decline, ruin, defeat, collapse)
1
inability to hack it(expression, idiom, lack, imperfection)
1
inclination(weakness, fault, lack, lapse)
1
inconstancy(weakness, fault, lack, lapse)
1
inconvenience(trouble, difficulty, weakness, bar)
1
indecision(weakness, fault, lack, lapse)
1
indigence(pass, difficulty, distress, failure)
1
indisposition(disorder, weakness, fault, illness)
1
injury(trouble, hurt, defeat, fall)
1
insolvency(ruin, pass, difficulty, distress)
1
instability(weakness, fault, lack, lapse)
1
insufficience(want, need, lack, loss)
1
invalidity(weakness, fault, lack, lapse)
1
irregularity(weakness, crack, fault, blemish)
1
irresolution(weakness, fault, lack, lapse)
1
languor(weakness, fault, lack, lapse)
1
lapse(weakness, failure, fault, lack)
1
lead balloon(expression, decline, ruin, defeat)
1
lemon(decline, ruin, defeat, collapse)
1
liking(weakness, fault, lack, lapse)
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APASmart Define. (2015). deficiency thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/deficiency/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficiency thesaurus" https://smartdefine.org/deficiency/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, deficiency thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/deficiency/thesaurus/synonyms>.
MLASmart Define. "deficiency thesaurus" 23 December 2015. Web. 30 September 2026. <https://smartdefine.org/deficiency/thesaurus/synonyms>