inefficient

adjective

in·​ef·​fi·​cient ˌi-nə-ˈfi-shənt How to pronounce inefficient (audio)
: not efficient: such as
a
: wasteful of time or energy
inefficient operating procedures
b
: incapable, incompetent
an inefficient worker
c
: not producing the effect intended or desired
inefficient noun
inefficiently adverb

Examples of inefficient in a Sentence

The delivery system was very inefficient. an inefficient use of fuel
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.
Currently there are far too many neighborhoods lacking access to public transportation altogether, and what does exist is often inefficient. Selvena Brooks-Powers, New York Daily News, 17 Jan. 2025 Bub Carrington continues to run the show in Washington but has been inefficient. Sam Vecenie, The Athletic, 14 Jan. 2025 Writing in the Wall Street Journal, Toyota’s Jack Hollis also called for the end of expensive and inefficient tax credits. Veronique De Rugy, The Mercury News, 14 Jan. 2025 To lay the groundwork for recovery, the new leadership must adopt the Syrian pound as the unified national currency, reversing counterproductive protectionist policies on trade and dismantling exchange-rate supports for inefficient domestic production. Karam Shaar, Foreign Affairs, 20 Dec. 2024 See all Example Sentences for inefficient 

Word History

First Known Use

1750, in the meaning defined above

Time Traveler
The first known use of inefficient was in 1750

Dictionary Entries Near inefficient

Cite this Entry

“Inefficient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inefficient. Accessed 22 Jan. 2025.

Kids Definition

inefficient

adjective
in·​ef·​fi·​cient ˌin-ə-ˈfish-ənt How to pronounce inefficient (audio)
1
: not producing the effect expected or desired
inefficient regulations
2
: wasteful of time or energy
inefficient procedures
especially : accomplishing little relative to the time spent or effort expended
an inefficient worker
inefficiently adverb

More from Merriam-Webster on inefficient

Last Updated: - Updated example sentences
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