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Synonyms

faulty

American  
[fawl-tee] / ˈfɔl ti /

adjective

faultier, faultiest
  1. having faults or defects; imperfect.


faulty British  
/ ˈfɔːltɪ /

adjective

  1. defective or imperfect

  2. archaic culpable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • faultily adverb
  • faultiness noun
  • nonfaulty adjective
  • unfaulty adjective

Etymology

Origin of faulty

First recorded in 1300–50, faulty is from the Middle English word fauty. See fault, -y 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It allows scientists to locate specific DNA sequences and make targeted changes, often replacing faulty genetic code with healthy versions.

From Science Daily

So many are counting on the financial outcome of lawsuits filed against Southern California Edison, the company that owns the faulty power line suspected of having triggered the fire that destroyed Altadena.

From Barron's

Residents received faulty emergency alerts, exposing early on the systemic failures in preparedness, evacuation protocols and emergency response.

From Los Angeles Times

Lawmakers, academics and regulators have documented the existence of these faulty insurance directories—often referred to as ghost networks—for years.

From The Wall Street Journal

Unlike the classic movie, though, Wall Street has no angels to help those who, like the film’s hero, George Bailey, have lost their way through bad luck or faulty decisions.

From Barron's