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.
Such incidents could potentially occur due to things such as an error in calculating the takeoff weights or a faulty maneuver by the pilots, as well, Corriere della Sera noted. Becca Longmire, PEOPLE, 17 Oct. 2025 Then report the faulty light to local police or 311 in Miami-Dade and Broward counties. Miami Herald Archives, Miami Herald, 15 Oct. 2025 Gene therapy involves fixing or replacing faulty genetic material to treat a specific disease. Richard J. Price, The Conversation, 15 Oct. 2025 Investigators found that the explosion was caused by a faulty weld in a pipeline installed in the 1950s. NPR, 13 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 20 Oct. 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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