in·ef·fi·cien·cy 
/ˌɪnəˈfɪʃənsi/ noun
plural in·ef·fi·cien·cies /ˌɪnəˈfɪʃənsi/ noun : the lack of ability to do something or produce something without wasting materials, time, or energy : the quality or state of being inefficient [noncount] ▪ The candidate blamed her opponent for the local government's inefficiency. [count] ▪ She claims that money can be saved by reducing inefficiencies.
