English Reference
noun

reluctance

n.
US /ɹiˈɫəktəns/ UK /ɹɪlˈʌktəns/ re·luc·tance

  1. 01 B2 Upper Intermediate

    the feeling of not wanting to do something, often because you are worried or disagree with it.

    a state of psychological unwillingness or disinclination to perform an action. Often used with the preposition 'to' followed by an infinitive.

    Simple

    She agreed to help, but her reluctance was clear from the look on her face.

    In context

    The board expressed considerable reluctance to approve the merger, citing concerns over long-term debt and cultural compatibility between the two firms.

    Usage

    Commonly followed by 'to' + infinitive (e.g., reluctance to go) or 'about' + noun (e.g., reluctance about the plan).

    unwillingnesshesitationdisinclination
  2. 02 C2 Proficiency Technical Science

    how much a material resists the flow of magnetic energy.

    the property of a magnetic circuit that opposes the passage of magnetic flux, analogous to electrical resistance in a conductor.

    Simple

    Air has a high reluctance, which makes it difficult for magnetic fields to pass through it.

    In context

    Engineers must calculate the total reluctance of the transformer core to ensure the magnetic flux is maintained at efficient levels.

    Usage

    Usually uncountable in this technical context.

    Teacher's tip

    This is a highly specialized term in physics and electrical engineering; most learners only need the 'unwillingness' sense.

    magnetic resistance
    permeance

Australia’s initial reluctance to join early European criticism of Infantino drew concern from some in the Australian football community.

The Guardian· 11 Aug 2026

From reluct + -ance.

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

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated