: the lack of ability to do something or produce something without wasting materials, time, or energy : the quality or state of being inefficient
What made you want to look up inefficiency? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes