faulty

adjective
\ ˈfȯl-tē How to pronounce faulty (audio) \
faultier; faultiest

Definition of faulty

: marked by fault or defect : imperfect

Keep scrolling for more

Other Words from faulty

faultily \ ˈfȯl-​tə-​lē How to pronounce faultily (audio) \ adverb
faultiness \ ˈfȯl-​tē-​nəs How to pronounce faultiness (audio) \ noun

Synonyms & Antonyms for faulty

Synonyms

Antonyms

Visit the Thesaurus for More 

Examples of faulty in a Sentence

the cause of the plane crash was traced to faulty wiring
Recent Examples on the Web But election officials in the months afterward determined many of the people were contacted because of faulty data. Patrick Marley, Milwaukee Journal Sentinel, "Lawsuit seeks to force Wisconsin election officials to remove people who may have moved from the voter rolls," 13 Nov. 2019 In both crashes, the system went off in response to faulty data, and pilots were unable to counteract the system, leading both aircraft to nosedive. Tripti Lahiri, Quartz, "Southwest pilots are suing Boeing for “misleading” them into flying the 737 Max," 8 Oct. 2019 At least part of the reason for those miscues is that the underlying failure — faulty sensors that measure the angle of a plane’s nose relative to the oncoming air — triggered multiple loud alarms that were potentially confusing, the NTSB found. Alan Levinbloomberg, Los Angeles Times, "Boeing’s 737 Max flight tests underestimated risks, U.S. investigators say," 26 Sep. 2019 At least part of the reason for those miscues is that the underlying failure — faulty sensors that measure the angle of a plane’s nose relative to the oncoming air — triggered multiple loud alarms that were potentially confusing, the NTSB found. Alan Levin / Bloomberg, Time, "Boeing Failed to Predict That Slew of 737 Max Warning Alarms Would Confuse Pilots, Investigators Say," 26 Sep. 2019 Given recent massive recalls of GM cars with faulty ignition switches and many more with Takata airbags, that adds up to some 70 million unrepaired cars in the US, according to the Consumer Federation of America. Alex Davies, WIRED, "How Many Uber and Lyft Drivers Are in Recalled Cars?," 13 Aug. 2019 Democrats say this won’t result in voter fraud, but automatic registration will inevitably register thousands who aren’t eligible or produce duplicate registrations based on faulty government data. The Editorial Board, WSJ, "Majority Preservation Act," 7 Jan. 2019 The Panthers then turned the ball over on a faulty exchange between Fields and quarterback Isaiah Givens in the backfield on their next possession and never recovered. J.c. Carnahan, orlandosentinel.com, "Osceola ends region-final streak for Dr. Phillips," 15 Nov. 2019 Their grit can make up for a lack of experience, faulty execution and questionable decision-making, but not every time. Chris Fedor, cleveland, "Cleveland Cavaliers feeling more connected, ‘pretty damn good,’ following first road trip that featured team bonding," 13 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'faulty.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of faulty

14th century, in the meaning defined above

Keep scrolling for more

Learn More about faulty

Time Traveler for faulty

Time Traveler

The first known use of faulty was in the 14th century

See more words from the same century

Statistics for faulty

Last Updated

7 Dec 2019

Cite this Entry

“Faulty.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/faulty. Accessed 9 December 2019.

Keep scrolling for more

More Definitions for faulty

faulty

adjective
How to pronounce faulty (audio)

English Language Learners Definition of faulty

: having a mistake, fault, or weakness

faulty

adjective
\ ˈfȯl-tē How to pronounce faulty (audio) \
faultier; faultiest

Kids Definition of faulty

: having a fault, flaw, or weakness : imperfect

Keep scrolling for more

More from Merriam-Webster on faulty

Thesaurus: All synonyms and antonyms for faulty

Rhyming Dictionary: Words that rhyme with faulty

Spanish Central: Translation of faulty

Nglish: Translation of faulty for Spanish Speakers

Britannica English: Translation of faulty for Arabic Speakers

Comments on faulty

What made you want to look up faulty? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

contradictory or incongruous words

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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