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

According to flight recorder data obtained by Indonesia’s National Transportation Safety Committee (KNKT), the pilots failed to deactivate a faulty safety system used to point the aircraft's nose downward to avert stalling. Sam Blum, Popular Mechanics, "Lion Air Pilots Tried to Override Technical Glitch Before Fatal Crash," 28 Nov. 2018 The baffling failure of the Lion Air pilots to recognize what was happening and execute a standard procedure to shut off the faulty system. Dominic Gates, The Seattle Times, "Lion Air pilots struggled against Boeing’s 737 MAX flight-control system, black-box data shows," 27 Nov. 2018 Sources may have misinformed him, may have faulty memories, or may have agendas. Howard Kurtz, Fox News, "Trump attacks Woodward, but trashing his book may not work," 6 Sep. 2018 During his second day on the stand in Federal District Court in Manhattan, Mr. Skelos was at times evasive or recalcitrant, pleading a faulty memory or sparring with prosecutors over diction. Vivian Wang, New York Times, "In Skelos Retrial, It’s His Word Against Theirs," 9 July 2018 At the center of these allegations are claims that investigators erred in conducting electronic surveillance in 2016 based on what critics contend was faulty information provided by British former spy Christopher Steele. Anchorage Daily News, "Top Democrats warn of ‘ongoing attack by the Russian government’ amid push to publish classified GOP memo," 24 Jan. 2018 More evidence supporting the theory that faulty sensor data caused the crash of a Lion Air Boeing 737 MAX in October has emerged from the aircraft's flight data recorder. Sean Gallagher, Ars Technica, "Black box data shows pilots fought control system in Indonesia crash," 28 Nov. 2018 There is a kernel of truth to all of this: Human memory is notoriously faulty. Brian Resnick, Vox, "Donald Trump’s attack on Christine Blasey Ford’s memory is cruel — and wrong," 3 Oct. 2018 In 2014, Idaho officials incorrectly purged more than 750 voters from the electoral rolls based on faulty Crosscheck data. Marc Daalder, Detroit Free Press, "Michigan uses controversial voter registration check," 12 June 2018

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

27 Apr 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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