faulty

adjective

ˈfȯl-tē How to pronounce faulty (audio)
faultier; faultiest
Synonyms of faultynext
: marked by fault or defect : imperfect
faultily
ˈfȯl-tə-lē How to pronounce faulty (audio)
adverb
faultiness
ˈfȯl-tē-nəs How to pronounce faulty (audio)
noun

Synonyms of faulty

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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.
When ​dropping the vandalism charges, Pirro blamed the deterioration on faulty installation. — Reuters, NBC news, 18 Aug. 2026 Alicia Brown, the estranged wife of Atlanta radio personality Big Tigger, is suing Fulton County Sheriff Patrick Labat, claiming a faulty warrant led to her arrest during a traffic stop on Interstate 85. — Christopher Harris, CBS News, 18 Aug. 2026 Lawsuits, including ones filed by both counties and the Placer County Water Agency, alleged that faulty PG&E equipment caused the fire. — Rosalio Ahumada, Sacbee.com, 14 Aug. 2026 Yet for many car owners, faulty cameras have proven a major nuisance. — Bloomberg, Mercury News, 13 Aug. 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

Rhymes for faulty

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Browse Nearby Words

fault vent
faulty
fault zone
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Cite this Entry

“Faulty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/faulty. Accessed 21 Aug. 2026.

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Kids Definition

faulty

adjective
ˈfȯl-tē How to pronounce faulty (audio)
faultier; faultiest
: having a fault or weakness : imperfect
faultily
-tə-lē How to pronounce faulty (audio)
adverb
faultiness
-tē-nəs How to pronounce faulty (audio)
noun

More from Merriam-Webster on faulty

Nglish: Translation of faulty for Spanish Speakers

Last Updated: - Updated example sentences
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