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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.

The new drug zorevunersen is administered into the spine via an infusion and works by managing the underlying cause in most cases - a faulty gene affecting the brain.

From BBC

“You mean the ones with ladders that only reached to the sixth floor and the faulty equipment? They weren’t exactly helpful. Those women had no way out and no one who could save them.”

From Literature

Other GSA officials under him had also raised safety concerns about Grok, which they viewed as sycophantic and too susceptible to manipulation or corruption by faulty or biased data—creating a potential system risk.

From The Wall Street Journal

The company has long faced criticism over its aging infrastructure and wildfire risk, including deadly blazes in 2017 and 2018 that were linked to faulty electrical equipment.

From Los Angeles Times

Mike Feuer, committed “multiple acts of moral turpitude and concealment” related to his involvement in the city attorney’s office’s handling of the legal fallout over a faulty Department of Water and Power billing system.

From Los Angeles Times