faulty

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

Definition of faulty

: marked by fault or defect : imperfect

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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

amiss, bad, defective, flawed, imperfect

Antonyms

faultless, flawless, impeccable, perfect

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Examples of faulty in a Sentence

the cause of the plane crash was traced to faulty wiring

Recent Examples on the Web

But then Boeing later admitted a cockpit alert that can tell pilots if the sensors that trigger MCAS are faulty did not work — and the company knew for more than a year before telling the Federal Aviation Administration or the airlines. David Koenig, chicagotribune.com, "‘Miracle on the Hudson’ hero and other pilots criticize Boeing over 737 Max at House hearing," 19 June 2019 When asked about the controversy at yesterday's Senate Commerce Committee hearing, Pai said that data provided by NASA and the National Oceanic and Atmospheric Administration (NOAA) is faulty. Jon Brodkin, Ars Technica, "Ajit Pai says NOAA and NASA are wrong about 5G harming weather forecasts," 13 June 2019 The helmets worn by soldiers and Marines in Iraq and Afghanistan have also been shown to be faulty. Andrew Cockburn, Harper's magazine, "The Military-Industrial Virus," 10 June 2019 Apple recently extended its warranty program on those faulty keyboards, but the MacBook's single USB-C port still feels limiting. Scott Gilbertson, WIRED, "The Best Alternatives to Apple's Mac and MacBook," 5 June 2019 The Amber Alert did not go out properly due to a faulty fax machine at a command post on scene, but officials have already made changes to prevent such mishaps in the future, Lt. Kaley Johnson, star-telegram, "After girl’s kidnapping, residents question officials, police at neighborhood meeting," 3 June 2019 Ford is recalling 259,182 additional Fusion sedans in the United States for faulty shifter cables that can cause rollaways, the automaker said Wednesday. Clifford Atiyeh, Car and Driver, "Ford Recalls 260,000 More Fusion Sedans for Breaking Shifter Cables," 15 May 2019 That software system — called Maneuvering Characteristics Augmentation System, or MCAS — was activated by a single faulty sensor and kicked in multiple times on both the Lion Air and Ethiopian Airlines flights. Dominic Gates, The Seattle Times, "737 MAX crisis prompts Southwest pilots to question its all-Boeing fleet," 12 Apr. 2019 The Lion Air flight crashed last November when a faulty sensor on the plane's fuselage triggered the MCAS, sending the plane into an irreversible descent into the Java Sea, killing 189 people. Sam Blum, Popular Mechanics, "Boeing Takes Responsibility For Both 737 Max 8 Crashes and Apologizes," 4 Apr. 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.

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First Known Use of faulty

14th century, in the meaning defined above

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Dictionary Entries near faulty

fault trace

fault trough

fault vent

faulty

fault zone

faun

fauna

Statistics for faulty

Last Updated

22 Jun 2019

Look-up Popularity

Time Traveler for faulty

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

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More Definitions for faulty

faulty

adjective

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

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More from Merriam-Webster on faulty

Rhyming Dictionary: Words that rhyme with faulty

Thesaurus: All synonyms and antonyms for faulty

Spanish Central: Translation of faulty

Nglish: Translation of faulty for Spanish Speakers

Britannica English: Translation of faulty for Arabic Speakers

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