faultier; faultiest
Synonyms of faultynext
: 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.
Meanwhile, Southern California Edison, which many blamed for starting the Eaton Fire because of faulty equipment, has started a program to reimburse victims. Center Square, The Washington Examiner, 1 Jan. 2026 Gene therapies corrected faulty biology rather than compensating for it. Kaif Shaikh, Interesting Engineering, 1 Jan. 2026 If the dome light does not come on that door may have a faulty switch. John Paul Senior Manager Public Affairs and Traffic Safety Aaa Northeast, Hartford Courant, 1 Jan. 2026 Porsche has recalled more than 170,000 vehicles due to a faulty rearview camera. Greta Cross, USA Today, 31 Dec. 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 9 Jan. 2026.

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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