inefficiency

noun

in·​ef·​fi·​cien·​cy ˌi-nə-ˈfi-shən(t)-sē How to pronounce inefficiency (audio)
plural inefficiencies
Synonyms of inefficiencynext
1
: the quality or state of being inefficient
2
: something that is inefficient

Examples of inefficiency in a Sentence

The candidate blamed her opponent for the local government's inefficiency. She claims that money can be saved by reducing inefficiencies.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The pipeline fracture is capital inefficiency The narrative often focuses on the top, but the math shows the real loss happens at the entry level. Katica Roy, Fortune, 10 Feb. 2026 Sanders’ go-to exercise activates muscles in your core and hips to help prevent the above inefficiencies. Sarah Klein, Outside, 10 Feb. 2026 This disconnect between individual choice and individual benefit represents not merely an economic inefficiency but a philosophical failure to respect the rational agency of health care consumers. Jared Rhoads, STAT, 10 Feb. 2026 In his view, these inefficiencies can represent real costs in resources and operational risks. Jason Phillips, USA Today, 10 Feb. 2026 See All Example Sentences for inefficiency

Word History

First Known Use

1749, in the meaning defined at sense 1

Time Traveler
The first known use of inefficiency was in 1749

Browse Nearby Words

Cite this Entry

“Inefficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inefficiency. Accessed 15 Feb. 2026.

Kids Definition

inefficiency

noun
in·​ef·​fi·​cien·​cy ˌin-ə-ˈfish-ən-sē How to pronounce inefficiency (audio)
plural inefficiencies
1
: the quality or state of being inefficient
2
: something that is inefficient

More from Merriam-Webster on inefficiency

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster