Synonyms|165Antonyms|58|Broader|3Narrower|3Related|220
1
frustration
1
hopelessness(noun, weakness, inability, helplessness, subjection)
1
imperfection(noun, defect, inadequacy, shortage, inability)
1
impotency
1
inanity
1
inaptness(defect, deficiency, imperfection, inadequacy, shortage)
1
incompleteness(defect, deficiency, imperfection, inadequacy, shortage)
1
inefficiencies
1
invalidity
1
labor in vain(expression, idiom, failure, inutility)
1
lack(noun, weakness, skill, failure, failing)
1
meagerness(defect, deficiency, imperfection, inadequacy, shortage)
1
necessity(noun, weakness, skill, failure, shortcoming)
1
paucity(defect, deficiency, imperfection, inadequacy, shortage)
1
pointlessness
1
poverty(defect, deficiency, imperfection, inadequacy, shortage)
1
rat race
1
scantiness(defect, deficiency, imperfection, inadequacy, shortage)
1
shortage(defect, deficiency, imperfection, limitation, inadequacy)
1
shortcoming(noun, weakness, skill, failure, lack)
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APASmart Define. (2015). inefficacy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inefficacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "inefficacy thesaurus" https://smartdefine.org/inefficacy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inefficacy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inefficacy/thesaurus/synonyms>.
MLASmart Define. "inefficacy thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/inefficacy/thesaurus/synonyms>