關於Defective的意思和用法的提問

A: 請到提問詳情頁確認

A: They are synonyms.

This keyboard is defective. The computer is not picking up its signal.
There is a faulty sensor that caused your engine light to come on.

A: I think they're pretty much the same.

"We bought a microwave, but it was faulty/defective. We returned it for a refund."

It just means it wasn't manufactured properly, it doesn't work properly.

A: Defective means there is something wrong with the thing you are talking about.
Deficient means that the thing you are talking about lacks something.

The machine was defective because it didn't punch holes all the way through like it was supposed to.

She had a vitamin deficiency that causes her unpleasant symptoms.

A: Hope that helps!