English Reference
adjective · noun

addictive

adj. · n.
US /əˈdɪktɪv/ UK /ɐdˈɪktɪv/ ad·dic·tive UK spelling addictives

  1. 01 B2 Upper Intermediate Medicine

    adj.describes a substance or activity that makes you want to keep doing it, even if it is bad for you.

    adj.causing or tending to cause physiological or psychological addiction through regular use or engagement.

    Simple

    Nicotine is a highly addictive substance found in cigarettes.

    In context

    Medical researchers have identified specific neural pathways that become hyper-responsive when exposed to addictive chemical compounds over an extended period.

    Usage

    Often used with the adverb 'highly'.

    habit formingcompulsive
    non addictive
  2. 02 B2 Upper Intermediate Informal

    adj.describes something so fun or interesting that you want to do it all the time.

    adj.highly engaging or enjoyable in a way that encourages repetitive participation; often used for media or games.

    Simple

    That new puzzle game on my phone is so addictive that I played it for three hours.

    In context

    The developers designed the interface to be intentionally addictive, using frequent rewards and sensory feedback to ensure high user retention rates.

  3. 03 C2 Proficiency FormalTechnical

    n.a drug or an activity that causes someone to become addicted.

    n.a substance or stimulus that functions as an agent of addiction.

    Simple

    The doctor explained that the medicine could act as an addictive if taken for too long.

    In context

    The report categorised several common household chemicals as potential addictives if misused by vulnerable populations.

    Usage

    Rarely used as a noun in modern general English; usually functions as an adjective.

He pointed to past statements from chief executive Mark Zuckerberg and head of Instagram Adam Mosseri in which they said Facebook and Instagram were not designed to be addictive.

BBC News· 18 Aug 2026

Claims that Meta made its platforms addictive are now being tested in court.

NPR· 18 Aug 2026

First attested 1914. Addiction in modern sense is first attested 1906, in reference to opium. There is an isolated instance from 1779, with reference to tobacco.

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

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated