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.
Reducing false positives and negatives Real-world conditions such as poor lighting, difficult viewing angles, extreme facial expressions, concealment by face masks or sunglasses, and poor image quality can still hamper performance, leading to faulty identification. Vijayan Asari, The Conversation, 2 June 2026 The defense of Brent Metz, 40, claimed a faulty gun was to blame for the shooting, which caused serious injuries to the teen. Alan Gionet, CBS News, 1 June 2026 Most of the work is replacing a faulty carburetor, usually because the owner left gas inside the mower all winter. Matthew Geiger, Denver Post, 29 May 2026 Questions concern how the courts would assess who or what might be responsible for faulty algorithms or other flaws in system design and whether a robot was negligent or malicious when disseminating libelous content damaging individuals or organizations. Encyclopedia Britannica, 28 May 2026 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 8 Jun. 2026.

Kids Definition

faulty

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

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