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.
Shoppers were informed about a range of issues, including undeclared allergens in food products, faulty medical devices, fire-risk mattresses, and potentially hazardous children's furniture. Chloe Mayer, MSNBC Newsweek, 30 June 2025 The lawyers say faulty equipment on the line ignited both blazes in the same way. Melody Petersen, Los Angeles Times, 28 June 2025 Next comes warranty coverage, or in the case of a faulty mattress, the kind of repair, refund, or replacement you’re entitled to as part of the original purchase. Julia Forbes, Wired News, 28 June 2025 Here's how a faulty value proposition is holding your business back: 1. Henry McIntosh, Forbes.com, 27 June 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 Jul. 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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