addiction
noun
"Addiction" refers to a condition where someone has a strong, often uncontrollable, dependence on a substance or activity. This could be related to drugs, alcohol, gambling, or other behaviors that can be compulsive and difficult to stop, even when they cause harm or negative consequences.
Example
1. He struggled with an addiction to alcohol for many years.
2. She had an addiction to buying expensive clothes.
3. His addiction to video games was becoming a serious problem.