inefficiency
inef·fi·ciency
noun
1.
unskillfulness resulting from a lack of efficiency
Origin
From in- + efficiency.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.