Definition of faulty adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈfɔːlti//
    ; NAmE NAmE//ˈfɔːlti//
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  1. 1not perfect; not working or made correctly synonym defective Ask for a refund if the goods are faulty. faulty workmanship an accident caused by a faulty signal
  2. 2(of a way of thinking) wrong or containing mistakes, often resulting in bad decisions faulty reasoning
  3. Extra examples I suppose her memory’s a bit faulty. If the equipment is found to be faulty you should return it immediately. The accident was caused by a faulty signal. The retailers blamed faulty workmanship for the problem.
See the Oxford Advanced American Dictionary entry: faulty