curved outwards or shaped like a hook:
a hooked nose
2 [not before noun] informal
if you are hooked on a drug, you feel a strong need for it and you cannot stop taking it [= addicted]
3 [not before noun] informal
if you are hooked on something, you enjoy it very much and you want to do it as often as possible
I got hooked on TV when I was sick.
having one or more hooks