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 issue of faulty roads extends beyond Redland. Steve Maugeri, CBS News, 13 June 2026 Additional testing occurred to verify whether there was any hazard or if the sensor was faulty, multiple sources said. Steve Beynon, ABC News, 11 June 2026 Pacific Gas & Electric was forced to pay billions of dollars in damages after its faulty electric transmission line was the determined cause of the 2018 Camp Fire, the deadliest wildfire in California history. Cnn.com Wire Service, Mercury News, 9 June 2026 Pacific Gas & Electric was forced to pay billions of dollars in damages after its faulty electric transmission line was the determined cause of the 2018 Camp Fire, the deadliest wildfire in California history. Emma Tucker, CNN Money, 8 June 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 16 Jun. 2026.

Kids Definition

faulty

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

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