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.
Attorneys for plaintiffs in the case say Hochman is vastly overstating the level of fraud and relying on databases with faulty information about who was incarcerated in county custody as a juvenile. Rebecca Ellis, Los Angeles Times, 26 June 2026 The fire, sparked by faulty Pacific Gas and Electric power lines, claimed 85 lives, destroyed over 18,000 structures, and forced tens of thousands of residents to flee. Carlos E. Castañeda, CBS News, 26 June 2026 Both sides suggest that the spark for the explosion was a common mishap among people who handle fireworks — the faulty placement of an electronic igniter used to set off pyrotechnics. Sacbee.com, 25 June 2026 Everyday businesses most at risk To counter the threat, businesses and leaders should invest in cyber defenses, upgrade old systems or patch faulty software, and limit who has access to critical systems, the Five Eyes leaders said. Helen Regan, CNN Money, 23 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

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Cite this Entry

“Faulty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/faulty. Accessed 28 Jun. 2026.

Kids Definition

faulty

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

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