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.
The mission came a day after a last-second launch scrub caused by a faulty hydraulic pin on the launch tower arm. Neetika Walter, Interesting Engineering, 23 May 2026 Last year, a Detroit woman filed a federal lawsuit against the police department, alleging that faulty facial recognition technology led to her unjust arrest. Minyvonne Burke, NBC news, 20 May 2026 Amid protests, strikes, faulty maintenance, a heist, and a ticket scam at the institution, the expansion could help refresh the museum’s image. News Desk, Artforum, 19 May 2026 He's accused of performing unwanted handyman work on a faulty motion light and security camera. Sean Joseph Outkick, FOXNews.com, 19 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 28 May. 2026.

Kids Definition

faulty

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

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