faultier; faultiest
: marked by fault or defect : imperfect
faultily adverb
faultiness noun

Examples of faulty in a Sentence

the cause of the plane crash was traced to faulty wiring
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.
Poor safety measures — including lack of smoke extraction, faulty alarms, inadequate staff training and missing sprinkler systems — allowed fumes to fill upper floors. CNN Money, 31 Oct. 2025 Dealers will replace the faulty pieces responsible for the recalls free of charge, NHTSA said. Detroit Free Press, Freep.com, 30 Oct. 2025 The faulty utility wagon violates the standards for strollers because the product has limited safety restraints, which could result in a child falling, and the structure could trap a child’s head, causing an injury or death, said the CSPC. Amanda Greenwood, MSNBC Newsweek, 27 Oct. 2025 Like the partisan preconceptions surrounding Benioff and his New York Times interview, the faulty assumptions about Salesforce’s future performance are missing the bigger picture. Nick Lichtenberg, Fortune, 27 Oct. 2025 See All Example Sentences for faulty

Word History

First Known Use

14th century, in the meaning defined above

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

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Cite this Entry

“Faulty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/faulty. Accessed 4 Nov. 2025.

Kids Definition

faulty

adjective
faultier; faultiest
: having a fault or weakness : imperfect
faultily adverb
faultiness noun

More from Merriam-Webster on faulty

Last Updated: - Updated example sentences
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