INEFFICIENCY: Synonyms and Related Words. What is Another Word for INEFFICIENCY?
The synonyms and related words of “Inefficiency” are: wasteful, incompetence, ineffective, ineffectual, useless, incapable, garbage, culpable, unavailing, prodigal, futile, prodigality, spendthrift, profligate, wastebasket, unproductive, extravagant, inefficient, extravagance, spending, powerless, dissipation, ineptitude, economic, unable, awkwardness, bootless, carelessness, lavish, negligence