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.
Before the BusPatrol camera program was suspended last year for doling out questionable violations, the private company running the operation was also mailing out violations with faulty information. Douglas Hanks, Miami Herald, 4 Feb. 2026 The faulty plush horses have been popular among customers, Huoqing told Reuters. Greta Cross, USA Today, 4 Feb. 2026 Following their deaths, the Royal Kahal replaced the faulty heaters with electric water heaters, according to the lawsuit. Rebecca Cohen, NBC news, 4 Feb. 2026 Along with flooding in Barlow’s and other units, residents had been experiencing issues with hot water along with faulty heating and air conditioning systems and broken elevators, according to resident and organizer Elijah Brink. Ilana Arougheti, Kansas City Star, 30 Jan. 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 6 Feb. 2026.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster