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
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This is presented as evidence of inefficiency. Diego Schaps, STAT, 1 Apr. 2026 That inefficiency brought his pitch count up to 78 pitches twice through the Guardians’ batting order, and Roberts pulled him when the lineup turned over again. Maddie Lee, Los Angeles Times, 31 Mar. 2026 There is still enormous inefficiency in the criminal justice system. William J. Bratton, New York Daily News, 31 Mar. 2026 If those signals reward activity rather than outcomes, the system will drift toward fragmentation and inefficiency. Lawrence Rosenberg, MSNBC Newsweek, 31 Mar. 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

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Cite this Entry

“Inefficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inefficiency. Accessed 5 Apr. 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

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