Having Defects' is a term used to describe items that are not functioning properly or have some kind of imperfection. The word 'FAULTY' is a six-letter term used to describe items that have defects or are not working correctly. It can refer to any kind of item, from a machine to a product, and it implies that the item has some kind of imperfection or malfunction. FAULTY items are usually not up to the standards of quality that are expected, and they may need to be repaired or replaced in order to be usable.