a person who is addicted to narcotics or illegal drugs, such as opium

to become addicted to a habit, substance, or activity

immensely satisfying, gratifying, or providing a thrill from an activity

a chronic physical or psychological dependency on smoking

alcohol addiction

a deep-seated habit or compulsive dependency on a particular activity or substance

The compulsive or excessive use of the internet that interferes with daily life.

The compulsive or excessive use of the internet, often leading to negative impacts on daily life.

to satisfy a craving with substitutes

(slang) an intense craving to eat or an urge to pig out

sexual addiction

the state or condition of being addicted to something