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 fiber is considered as a solution for denim mills working to navigate linen’s price fluctuations and inefficiency. Angela Velasquez, Sourcing Journal, 18 Dec. 2025 Air leaks aren't just a problem of inefficiency. Kamron Sanders, Better Homes & Gardens, 16 Dec. 2025 Offensively, a 2-for-12 clip on third down could not keep Dallas on the field, and inefficiency in Minnesota territory could not give the Cowboys chunk plays. Nick Harris, Fort Worth Star-Telegram, 15 Dec. 2025 Traditional warranty models often suffer from slow feedback loops, fragmented data, and operational inefficiencies. Matt Emma, USA Today, 10 Dec. 2025 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 24 Dec. 2025.

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!