Definition of inefficiency noun from the Oxford Advanced Learner's Dictionary

 

inefficiency

 noun
noun
BrE BrE//ˌɪnɪˈfɪʃənsi//
 
; NAmE NAmE//ˌɪnɪˈfɪʃənsi//
 
[uncountable, countable](pl. inefficiencies)
 
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actions or practices that do not make the best use of time, money, energy, etc. waste and inefficiency in government inefficiencies in the system opposite efficiency