noun
addiction
uh-DIK-shuhn/əˈdɪkʃn/
Dependence on a substance or activity that is difficult to stop.
The repeated reach for another cigarette illustrates addiction.

Etymology
The pieces originally concerned declaring or allotting something to someone, hence delivering it over. Being “given over” to a habit developed from devotion or inclination into the stronger sense of compulsive dependence.
In context
I define addiction as the continued compulsive use of a drug or behavior despite harm to self and/or others.
More examples
- He sought help for an addiction to gambling.
- The program supports people recovering from addiction.
- She wrote about the difficulty of overcoming addiction.
Forms
addiction · addictions
addictive adjective — likely to cause compulsive dependence
Similar words
- dependence
- Can be physical or practical without compulsive behavior.
- compulsion
- An irresistible urge that need not involve a specific addiction.