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.
Less than five months after its release, nearly all vehicle owners received an alert citing a faulty accelerator pedal resulting from misapplied soap instead of lubricant. Andrew Paul, Popular Science, 20 Mar. 2025 Past issues have included a faulty accelerator pedal, a rearview camera problem and a windshield wiper problem. Nathan Bomey, Axios, 20 Mar. 2025 The company’s investigations of some batches of faulty medicine didn’t identify specific root causes, and those that did pinpoint a reason weren’t adequately supported with evidence or didn’t explain all the data, the inspectors wrote. Patricia Callahan, ProPublica, 20 Mar. 2025 Wilmore and Williams saw their June 2024 ride out, a Boeing Starliner capsule, return without them, because of a faulty propulsion system and helium leaks to boot. The Editorial Board, Chicago Tribune, 19 Mar. 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 18 Apr. 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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