83 entries under noun topic. ×

2
inutility(weakness, skill, failure, shortcoming)
1
defect(deficiency, imperfection, limitation, inadequacy)
1
defenselessness(weakness, hopelessness, helplessness, subjection)
1
delinquency
1
dilettantism(stupidity, ignorance, inability, incapacity)
1
faultiness(defect, deficiency, imperfection, inadequacy)
1
frailty(weakness, skill, failure, shortcoming)
1
fruitlessness
1
greenness(stupidity, ignorance, inability, incapacity)
1
hopelessness(weakness, awkwardness, inability, helplessness)
1
imperfection(defect, inadequacy, shortage, inability)
1
impotency
1
impropriety
1
inconvenience
1
inexpedience
1
inexpirience(stupidity, ignorance, inability, incapacity)
1
irrationality
1
lack(weakness, skill, failure, failing)
1
loss(failure, imperfection, inadequacy, malfunction)
1
necessity(weakness, skill, failure, shortcoming)
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APASmart Define. (2015). inefficiency thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/inefficiency/thesaurus/synonyms
ChicagoSmart Define. 2015. "inefficiency thesaurus" https://smartdefine.org/inefficiency/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, inefficiency thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inefficiency/thesaurus/synonyms>.
MLASmart Define. "inefficiency thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/inefficiency/thesaurus/synonyms>