English Reference
noun

dependence

n.
US /dɪˈpɛndəns/ UK /dɪpˈɛndəns/ de·pen·dence UK spelling dependences

  1. 01 B2 Upper Intermediate

    a situation where you need help or support from someone or something else to succeed or survive.

    the state of relying on or being controlled by someone or something else for support or survival.

    Simple

    The country is trying to reduce its dependence on imported oil by using solar power.

    In context

    The region's heavy dependence on a single industry made it particularly vulnerable to the sudden shifts in the global market.

    Usage

    Often followed by the preposition 'on' or 'upon'.

    reliancesubservience
    independenceself sufficiency
  2. 02 C1 Advanced Technical Medicine

    a physical or mental need for a drug or a specific substance.

    a physiological or psychological habituation to a substance; a state where cessation causes withdrawal symptoms.

    Simple

    He sought medical help to overcome his dependence on painkillers after the accident.

    In context

    Clinical researchers are investigating how genetic factors influence the speed at which a physical dependence on nicotine develops in teenagers.

    Usage

    Commonly used in medical and psychological contexts to distinguish from the broader social meaning of 'addiction'.

    Teacher's tip

    In modern medical English, 'dependence' is often preferred over 'addiction' because it sounds more objective and less judgmental.

Usage dependence on · reduce dependence

Across the pond, United Launch Alliance sought to end its dependence on Russian engines for the Atlas V rocket by migrating to the new Vulcan rocket.

Ars Technica· 17 Aug 2026

She added: “Both the Iran war and this summer’s extreme weather have shown once again why we’re better off cutting our dependence on fossil fuels.

The Guardian· 14 Aug 2026

From Middle French dépendance. Morphologically depend + -ence.

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

This entry
Origin frm dépendance
Level C1 · Advanced
Frequency Frequent
Updated