English Reference
noun

addiction

n.
US /əˈdɪkʃən/ UK /ɐdˈɪkʃən/ ad·dic·tion UK spelling addiction's, addiction's

  1. 01 B2 Upper Intermediate Medicine

    a physical or mental need to use a drug or substance that you cannot easily stop.

    a chronic, relapsing brain disease characterized by compulsive drug seeking and use, despite harmful consequences.

    Simple

    He went to a clinic to get help with his addiction to alcohol.

    In context

    The patient's addiction to prescription painkillers required a comprehensive treatment plan involving both detoxification and long-term psychological support.

    Usage

    Often used with the preposition 'to'.

  2. 02 B2 Upper Intermediate

    a strong habit of doing an activity too much, like playing video games or shopping.

    a psychological compulsion to engage in rewarding non-substance-related behaviours.

    Simple

    Her addiction to social media was starting to affect her performance at work.

    In context

    Researchers are increasingly studying the neurological similarities between gambling addiction and chemical dependency.

    Usage

    Commonly followed by 'to' plus a noun or gerund.

Stewart’s addictions ended his run on the country charts.

The Guardian· 17 Aug 2026

But experts are divided as to whether it is a true "addiction" – like someone might experience with drugs, for example – and how best to deal with it.

BBC News· 8 Aug 2026

From addict + -ion; compare (Latin) addictio (“an adjudging, an award”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated