defective
🇺🇸
/dɪˈfektɪv/
🇬🇧
/dɪˈfektɪv/
not working properly or having problems
The store will replace any defective product for free.
该商店将免费更换任何有问题的产品。
not working right in the body
The doctor said his vision was defective and needed glasses.
医生说他视力有问题,需要戴眼镜。