\ ˈfȯl-tē How to pronounce faulty (audio) \
faultier; faultiest

Definition of faulty

: marked by fault or defect : imperfect

Other Words from faulty

faultily \ ˈfȯl-​tə-​lē How to pronounce faulty (audio) \ adverb
faultiness \ ˈfȯl-​tē-​nəs How to pronounce faulty (audio) \ noun

Synonyms & Antonyms for faulty



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Examples of faulty in a Sentence

the cause of the plane crash was traced to faulty wiring
Recent Examples on the Web How Jack died of smoke inhalation, in the wake of an old slow cooker with faulty wiring sparking a fire in the Pearson home at the end of the previous episode. Michael Schneider, Variety, 5 Jan. 2022 State fire investigators have ruled the blaze an accident and most likely the result of faulty wiring in the 32-year-old building. Stephen Hudak, orlandosentinel.com, 27 Oct. 2021 Then in July, faulty electrical wiring set her home ablaze. Julie Johnson, San Francisco Chronicle, 26 Sep. 2021 The Journal Sentinel’s investigation found that fires suspected to be started by faulty electrical wiring burned homes in Milwaukee’s distressed 53206 ZIP code at five times the rate of the rest of the city. John Diedrich, Milwaukee Journal Sentinel, 15 Sep. 2021 Auto safety experts have often criticized the highway safety agency for doing a poor job of investigating deadly auto defects, such as a faulty ignition switch used by G.M. and defective airbags made by Takata. New York Times, 16 Aug. 2021 An investigation showed the fire began when sparks from faulty wiring spread to an oxygen tank that then exploded, police and civil defense authorities said. NBC News, 13 July 2021 Robert Brandt, the chief deputy marshal at the courthouse, said officials are waiting for a determination on whether Tuesday’s fire was intentionally set or was an accident, possibly due to faulty wiring. Washington Post, 7 July 2021 The judge found that in addition to renting a house with faulty electrical wiring, the landlord had improperly charged Johnson $25 utility service fees. Jeff Hargarten, Star Tribune, 29 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'faulty.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of faulty

14th century, in the meaning defined above

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Time Traveler for faulty

Time Traveler

The first known use of faulty was in the 14th century

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Dictionary Entries Near faulty

fault vent


fault zone

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Statistics for faulty

Last Updated

7 Jan 2022

Cite this Entry

“Faulty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/faulty. Accessed 16 Jan. 2022.

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More Definitions for faulty



English Language Learners Definition of faulty

: having a mistake, fault, or weakness : imperfect


\ ˈfȯl-tē How to pronounce faulty (audio) \
faultier; faultiest

Kids Definition of faulty

: having a fault, flaw, or weakness : imperfect

More from Merriam-Webster on faulty

Nglish: Translation of faulty for Spanish Speakers

Britannica English: Translation of faulty for Arabic Speakers


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