faultier; faultiest
: 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 Starliner was first delayed due to a faulty valve on a liquid oxygen fuel tank, and then soon after that valve was replaced, delayed again due to a helium leak in another part of the craft. Briley Lewis, Popular Science, 22 May 2024 The May 6 launch was scrubbed because of a faulty oxygen relief valve, NASA said. John Helton, NPR, 18 May 2024 See all Example Sentences for faulty 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'faulty.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near faulty

Cite this Entry

“Faulty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/faulty. Accessed 29 May. 2024.

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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