defective
/dɛfˈɛktɪv/Definitions
1. adjective
having a defect or flaw, especially one that is serious or fundamental
“The defective product was returned to the manufacturer for a refund.”
2. noun
a product or item that is defective or faulty
“The store had a display of defective merchandise at a discounted price.”
3. noun
a person with a physical or mental disability
“The charity organization helps people with defective limbs to adapt to their new conditions.”
4. noun
a defective or faulty part of a mechanism or system
“The mechanic found a defective alternator in the car and replaced it.”