Definitions

1. noun

A person who is habitually or compulsively physically dependent on something, especially a substance such as a drug or alcohol.

“She struggled with her addiction to cigarettes.”

2. noun

Someone who is habitually or compulsively dependent on a particular activity or thing, such as gambling or shopping.

“His addiction to video games was affecting his social life.”

3. verb

To become or make someone dependent on something, especially a substance such as a drug or alcohol.

“She became addicted to the painkillers after her surgery.”