Addiction (noun)

1. The state of being addicted to a particular substance or activity.
2. An overwhelming need to continue doing or using something.

Origin:

Late middle english: from latin addictio(n-), from addicere "deliver up, abandon", from ad- "to" + dicere "say".

Examples:

1. He has a drug addiction.
2. She has an addiction to gambling.
3. The addiction to cigarettes is hard to break.
4. The addiction to the internet is affecting his work.
5. The addiction to social media is consuming his life.