Definition of faulty in English:

faulty

Line breaks: faulty
Pronunciation: /ˈfɔːlti
 
, ˈfɒlti
 
/

adjective (faultier, faultiest)

1Not working or made correctly; having defects: a faulty brake
More example sentences
  • The most common defects were bare tyres, faulty brakes, steering and suspension, plus broken headlights and brake lights.
  • That accident, which again involved a truck with faulty brakes, left three people injured and damaged 10 parked vehicles.
  • Of the 12 vehicles with serious defects two of the faulty school buses were repaired and re-tested on site before being cleared.
Synonyms
malfunctioning, broken, damaged, defective, not working, not functioning, in disrepair, out of order, out of commission, inoperative, unsound, unusable, useless
informal on the blink, on its last legs, kaput, bust, busted, conked out, acting/playing up, gone haywire, gone phut, done for, wonky, dud
British informal knackered, duff
informal on the fritz
1.1(Of reasoning and other mental processes) mistaken or misleading because of flaws: faulty logic
More example sentences
  • We were alerted this week to the fact that we hold incorrect opinions and deploy faulty logic.
  • Yet another reason for faulty divinations simply lies with the diviner making mistakes of interpretation.
  • The reason for applying faulty knowledge is simple.
Synonyms
defective, flawed, unsound, distorted, inaccurate, incorrect, erroneous, imprecise, fallacious, wrong; impaired, weak, invalid
1.2Having or displaying weaknesses: her character was faulty

Derivatives

faultily

adverb
More example sentences
  • But distinctions between what numbers really mean, and could faultily infer, easily are blurred, says Tyler.
  • At times it gets buried behind electronic scrims and sounds like a message received on a faultily tuned AM radio.
  • Printing houses did not summarily discard old or faultily printed sheets.

faultiness

noun
More example sentences
  • As can be clearly seen just above, he appeals to the faultiness of translations regarding difficulties in the Qur'an, but disallows the Christian apologist to make this same appeal regarding the Bible.
  • Further, the faultiness of speaking of the supreme being as having the property of being in any place whatsoever is manifold, because it would be strange to speak of anything whatsoever existing beyond the presence of the sacred being.
  • But over a period of time, when you add your own investigations to the reading, the faultiness of our usual way of seeing things will become clearer and clearer.

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