Faulty
Definition 1 of 2
Pro Tip 1/3
Product Problems
Use 'faulty' when talking about items that don't work as they should. The heater is faulty and won't turn on.
Pro Tip 2/3
Industry Jargon
'Faulty' is commonly used in manufacturing and retail when discussing defective goods. We received several complaints about faulty appliances.
Pro Tip 3/3
Subtle Blame
Describing something as 'faulty' subtly implies that there is a responsible party for the defect. The accident was caused by a faulty brake system.