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.
Investigators said the leak was caused by a faulty fusion connection between two plastic gas pipes. Lexi Salazar, CBS News, 15 Apr. 2026 All negative emotions come from a faulty judgment about reality. Stuart Miller, Oc Register, 14 Apr. 2026 When insurance adjusters examined the roadway where the crashes were happening, there were no obvious hazards—like faulty lighting or an especially steep grade—that could account for this newfound profusion. Patrick Radden Keefe, New Yorker, 13 Apr. 2026 Greg misses his first date with Cristle due to a combination of a faulty phone charger (Tommy’s, naturally) and an encounter with Officer Rory. Erin Qualey, Vulture, 13 Apr. 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 20 Apr. 2026.

Kids Definition

faulty

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

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