Defective
Definition 1 of 4
Pro Tip 1/3
Return Policy
Understand when to use 'defective' in relation to warranties or guarantees for products. Check if your defective phone is covered by warranty.
Pro Tip 2/3
Negative Implication
'Defective' implies that something lacks essential functionality and is unsatisfactory. People often complain about defective electronics.
Pro Tip 3/3
Not Always Visible
A defect may not always be visible; functionality tests can be necessary. Though it looked fine, the device was defective.