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.
For example, in 2017, QAnon participants claimed that there was a secret cabal of satanic pedophiles trafficking children, so by this faulty logic, the subsequent Epstein revelations must be evidence that QAnon was right. Matthew N. Hannah, The Conversation, 8 May 2026 Steve Randazzo, chief growth officer for BusPatrol, told the Sun Sentinel that the allegation of faulty ticketing was more nuanced than how it was portrayed. Scott Travis, Sun Sentinel, 3 May 2026 However, if there is an actual issue—such as a faulty oxygen sensor heater—clearing the code only turns off the light temporarily without fixing the problem. Hartford Courant, 3 May 2026 Misrouted referrals or faulty diagnostic recommendations can have life-threatening consequences. Jeffrey Sonnenfeld, Fortune, 2 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 11 May. 2026.

Kids Definition

faulty

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

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