defective
Concise Oxford English Dictionary © 2008 Oxford University Press:
defective/dɪˈfektɪv/
▶adjective
- 1 imperfect or faulty.
- 2 lacking or deficient: dystrophin is commonly defective in muscle tissue.
– derivatives
defectively adverb,
defectiveness noun.
defectively adverb,
defectiveness noun.
'defective' also found in these Oxford entries:
eyeglass
- fault
- gene therapy
- glasses
- gout
- manky
- mental defective
- nebula
- purblind
- reality testing
- rogue
- trick
- tunnel vision
- vicious
- waster

