enviciar in English:

The addict died from a drug overdose.

He is a heroin addict.

I'm a TV addict.

He's a computer addict.

He is much addicted to drink

You could say that Mrs. Smith is a television addict.

a drug addict, a TV addict

People who are watching too much TV can be called addicts.

Another word for a chocolate addict is a 'chocoholic'.

Her brother’s a drug addict.

If you are a gambling addict, you’ll end up deep in debt.

Peter, my brother, is an addict and a thief.

Which of you is the biggest "novelty addict"?

He became a drug addict after leaving school.

I'm an alcoholic. I'm a drug addict. I'm homosexual. I'm a genius.