Definition of faulty in English:


Pronunciation: /ˈfɔːlti//ˈfɒlti/


  • 1Not working or made correctly; having defects.

    ‘a faulty brake’
    • ‘The most common defects were bare tyres, faulty brakes, steering and suspension, plus broken headlights and brake lights.’
    • ‘The agency workers will look for defects such as sub-standard tyres, faulty lights and exhausts.’
    • ‘Of the 12 vehicles with serious defects two of the faulty school buses were repaired and re-tested on site before being cleared.’
    • ‘It is the driver who determines the speed of the vehicle when the road is bad, visibility is poor, the surface is wet or when brakes are faulty.’
    • ‘That accident, which again involved a truck with faulty brakes, left three people injured and damaged 10 parked vehicles.’
    • ‘You investigate and find that faulty wiring is to blame.’
    • ‘Errors include transposed numbers, faulty equipment, mutilated punch cards and computer glitches.’
    • ‘Most of the broken and faulty lights in the village have now been put right.’
    • ‘Should software makers be made more accountable for damage caused by faulty programs?’
    • ‘Other defects included faulty steering mechanisms and suspensions, rusty chassis and doors and seatbelts which did not work.’
    • ‘Initial reports suggest that faulty electrical wiring may have caused the fire.’
    • ‘Perhaps you're using poor technique, faulty equipment or simply doing too much.’
    • ‘It was a junky old station wagon with a faulty exhaust system and brakes.’
    • ‘No re-test fee will apply for minor defects such as faulty light bulbs.’
    • ‘A faulty device whose damage was not apparent to the user caused the overinfusion.’
    • ‘The act regulates the right to a legal defence and obtaining compensation for damages caused by faulty products.’
    • ‘One was apparently faulty and the other did not have a battery.’
    • ‘This can help spot design defects and prevent faulty products from reaching the market.’
    • ‘It will target cyclists who flout road regulations by, for example, riding without lights or having faulty brakes.’
    • ‘Common causes of warping include faulty installation or defective manufacture of the siding.’
    malfunctioning, broken, damaged, defective, not working, not functioning, in disrepair, out of order, out of commission, inoperative, unsound, unusable, useless
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    1. 1.1(of reasoning and other mental processes) mistaken or misleading because of flaws.
      ‘faulty logic’
      • ‘The reason for applying faulty knowledge is simple.’
      • ‘Unfortunately, the consensus is based on faulty assumptions and thus wrong solutions.’
      • ‘What should be done when your memory is faulty?’
      • ‘Jenna calls him on this but her reasons are a little faulty.’
      • ‘He argues that defects of memory or faulty perception may apply.’
      • ‘Twice a point of order has been raised, because the reasoning and logic were faulty, and I have demonstrated that.’
      • ‘His head, with faulty reasoning, told him that he had to stay away.’
      • ‘These claims are mostly bad math, faulty logic and deception.’
      • ‘He also identifies irrational beliefs and faulty reasoning that may lead to poor marriage decisions.’
      • ‘Some researchers would suggest that teachers' faulty assumptions are a result of deficit thinking.’
      • ‘What becomes of us if that memory is faulty?’
      • ‘Their driving assumptions were often drawn from flawed information or based on faulty logic.’
      • ‘But, the answer to insufficient reporting and to faulty intelligence is more reporting.’
      • ‘I think this is faulty reasoning - relying on a single biological attribute rather than a range.’
      • ‘We were alerted this week to the fact that we hold incorrect opinions and deploy faulty logic.’
      • ‘I am apologetic here, as I do not understand your faulty logic in the aforementioned statement.’
      • ‘As illustrated in this article, too many faulty assumptions underlie their development and use.’
      • ‘Yet another reason for faulty divinations simply lies with the diviner making mistakes of interpretation.’
      • ‘When finally she spoke, the logic sounded faulty even to her.’
      defective, flawed, unsound, distorted, inaccurate, incorrect, erroneous, imprecise, fallacious, wrong
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    2. 1.2Having or displaying weaknesses.
      ‘her character was faulty’