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

Definition of faulty

: marked by fault or defect : imperfect

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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 Oftentimes, the absence of smoke alarms, or faulty ones, are to blame. Chloe Melas, CNN, "A house fire changed my life. Here's how two minutes could help save yours," 4 May 2021 And this faulty equivalence of truth, fear, and caution doesn’t afflict only individuals or the environment of major cities. Michael Brendan Dougherty, National Review, "COVID-19 Rewired Our Brains," 3 May 2021 Such tests are less accurate than PCR tests and the policy has been criticized in some quarters because of the risk of faulty results. Jason Douglas, WSJ, "As Covid-19 Testing Moves Center Stage, U.S. and U.K. Approaches Differ," 3 May 2021 Just a few days later, faulty hot-tub wiring ignited grass around a home in the rural community of Cobb, starting the Valley fire. San Diego Union-Tribune, "Newsom’s $1B wildfire plan favors Sierra Nevada logging over homeowners," 30 Apr. 2021 Critics said the plant was antiquated and pointed to a safety history that included faulty reactor bolts and radioactive tritium detected in groundwater onsite. Michael Hill, Star Tribune, "Gone Fission: Controversial nuke plant near NYC shuts down," 29 Apr. 2021 If problems are found, the company will replace faulty parts of the battery. Tom Krisher, Detroit Free Press, "GM: Software — available now to some Bolts — and new battery parts will solve fire issues," 29 Apr. 2021 During the 2003 outbreak of SARS, a cousin to SARS-CoV-2, the virus circulated through faulty plumbing in a Hong Kong apartment complex, infecting more than 300 residents and killing 33. Miranda Weiss, Smithsonian Magazine, "Sewage Has Stories to Tell. Why Won’t the U.S. Listen?," 26 Apr. 2021 One was if firefighters reported that an issue (such as faulty wiring or a lack of heat) had definitely or possibly caused the blaze. Cecilia Reyes, chicagotribune.com, "The Failures Before the Fires: How we reported this story," 24 Apr. 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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Statistics for faulty

Last Updated

7 May 2021

Cite this Entry

“Faulty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/faulty. Accessed 10 May. 2021.

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More Definitions for faulty



English Language Learners Definition of faulty

: having a mistake, fault, or weakness


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

Kids Definition of faulty

: having a fault, flaw, or weakness : imperfect

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