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.
The brand will also replace your garment within one year of purchase if there are any defects or faulty manufacturing issues—sure sign of a quality product. Harry Spampinato, Travel + Leisure, 10 Mar. 2026 In his ruling, Cummings found that in case after case, agents conducting immigration enforcement during Operation Midway Blitz had either not provided justification for their assessment of flight risk or filed faulty field warrants. Laura Rodríguez Presa, Chicago Tribune, 9 Mar. 2026 Defense lawyers suggested the accusers had faulty memories or were hoping to cash in on the brothers’ fortunes. Michael R. Sisak, Los Angeles Times, 9 Mar. 2026 That was due to poor planning, faulty helicopters and bad weather. Peter Lucas, Boston Herald, 7 Mar. 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 14 Mar. 2026.

Kids Definition

faulty

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

More from Merriam-Webster on faulty

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