faulty meaning
Define faulty. faulty synonyms, faulty pronunciation, faulty translation, English dictionary definition of faulty. adj. faultÂ·iÂ·er , faultÂ·iÂ·est 1. Containing a fault or defect; imperfect or defective. 2. Obsolete Deserving of blame; guilty. faultâ²iÂ·ly adv.