Synonyms for

Faulty

Verb / ˈfɔ:lti: / Another word for faulty — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

not working correctly or having defects

Synonyms & similar words

incorrect wrong defective defective flawed imperfect unsound inferior substandard impaired damaged broken malfunctioning inoperative nonfunctional useless inefficient ineffective bad wrong erroneous incorrect faultfinding

Synonyms by register

Formal

defective imperfect erroneous substandard

Informal

broken wonky dud off

Literary

blemished marred imperfect

Antonyms

perfect flawless sound working unblemished immaculate correct

Common collocations

  • faulty wiring
  • faulty logic
  • faulty equipment
  • faulty product
  • faulty brakes
  • faulty memory
  • faulty design

Word family

noun fault
adjective faulty
adverb faultily

Usage note

Often used to describe things that are not working correctly or are flawed in design or function. Can also refer to abstract concepts like logic or reasoning.

Example sentences

  1. The faulty light bulb needs to be replaced.
  2. The faulty roller coaster ride was shut down for repairs.
  3. The faulty phone charger did not charge my phone.
  4. The faulty toaster burned the toast.
  5. The faulty elevator made strange noises.

Quotes

  • It is better to be roughly right than precisely wrong. - John Maynard Keynes
  • Mistakes are a fact of life. It is the response to the error that counts. - Nikki Giovanni
  • An error does not become a mistake until you refuse to correct it. - Orlando A. Battista

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