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.
What To Check Before Trusting An AI Answer A few quick checks can catch most of these gaps before a decision gets made on faulty information. — Vaidotas Juknys, Forbes.com, 4 Aug. 2026 Burning for a fifth day, the blaze outside Athens prompted the evacuation of more than 1,000 people and was blamed on a faulty power line from a wind farm. — ABC News, 4 Aug. 2026 The blaze was blamed on a faulty power line from a wind farm and led to the arrests of two contractors on charges of negligent arson. — Derek Gatopoulos, Los Angeles Times, 3 Aug. 2026 However, research is beginning to show that that assumption is faulty. — Yigit Topoglu, The Conversation, 3 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 7 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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