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.
Every incident is a bit different, from the faulty software update that grounded thousands of Delta Air Lines flights last year, to the holiday meltdown that brought Southwest Airlines to its knees three years ago. Joel Rose, NPR, 26 Dec. 2025 But this is based on faulty reasoning. Caleb Pomeroy, Foreign Affairs, 24 Dec. 2025 Even some very faulty construction detours Marty’s way, and makes for one of the film’s most insane and pulse-pounding sequences. Randy Myers, Mercury News, 23 Dec. 2025 But that could be faulty thinking right now, especially considering that home equity levels are now at a record high, and home equity loan interest rates are slowly but steadily declining again. Matt Richardson, CBS News, 18 Dec. 2025 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 29 Dec. 2025.

Kids Definition

faulty

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

More from Merriam-Webster on faulty

Last Updated: - Updated example sentences
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