From Longman Dictionary of Contemporary Englishfaultyfault‧y /ˈfɔːlti $ ˈfɒːlti/ ●○○ adjective 1 BROKENnot working properly, or not made correctly Customers may ask for a refund if the goods are faulty. a faulty gene that causes breast cancer2 WRONG/INCORRECTa faulty way of thinking about something contains a mistake, so that you make a wrong decision OPP correct an idea based on a faulty understanding of biology
Examples from the Corpus
faulty• But their own observations, while more correct, were still faulty.• From what we know when the information did come through, it was sometimes partial and often faulty.• Or are they biased, faulty and badly in need of revision?• The longer the government stays closed, the more faulty and less timely any economic data will be, he says.• Council officials say that lives were put at risk from mechanical defects, including faulty brakes.• The report said the fire was started by faulty electrical wiring.• They would eventually learn to recognize such syndromes in families, track down the faulty genes and devise interventions.• It is important to note, however, that the assumption that electing representatives is all democracy requires is a faulty one.• Weston's article contained some interesting but faulty reasoning.From Longman Business Dictionaryfaultyfault‧y /ˈfɔːltiˈfɒːlti/ adjective if a machine, system etc is faulty, there is something wrong with it that prevents it from working correctlyOwners of affected cars can go to their dealerships to have the faulty part replaced. 