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.
Those chairs are in bad shape, with sticky wheels and faulty hand brakes. Sophie Neiman, NPR, 20 June 2026 More commonly, the check engine light may indicate an unrelated issue such as a faulty sensor or an engine misfire. John Paul Senior Manager Public Affairs and Traffic Safety Aaa Northeast, Hartford Courant, 20 June 2026 Bradley the author eventually conceded that his research had been faulty and that the flag-raising in which his father had been involved was photographed by a Marine photographer earlier on the morning of February 23, 1945, and that Doc Bradley was not depicted in the famous Rosenthal photo. Greg Evans, Deadline, 20 June 2026 The vehicle may avoid or fail to recognize a construction zone due to the faulty software. Greta Cross, USA Today, 18 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

Browse Nearby Words

Cite this Entry

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

Kids Definition

faulty

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

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