English Reference
adjective · noun

voluntary

adj. · n.
US /ˈvɑɫəntɛɹi/ UK /vˈɒləntəɹi/ vol·un·tary UK spelling voluntaries

  1. 01 B2 Upper Intermediate

    adj.done or given because you want to do it, not because someone forces you.

    adj.performed, given, or acting of one's own free will rather than under compulsion.

    Simple

    Attendance at the after-school club is strictly voluntary for all students.

    In context

    The company requested voluntary redundancies to avoid the need for compulsory layoffs during the restructuring process.

  2. 02 B2 Upper Intermediate

    adj.working or done without receiving any money or payment.

    adj.working or performed without payment, typically within a charitable or community context.

    Simple

    She does voluntary work at the local animal shelter on weekends.

    In context

    The charity relies heavily on voluntary contributions and the dedication of its unpaid staff to maintain its outreach programmes.

    unpaidpro bono
  3. 03 C1 Advanced Technical Science

    adj.done on purpose or by design.

    adj.relating to actions controlled by the will; intentional rather than accidental or automatic.

    Simple

    Walking is a voluntary action, unlike the beating of your heart.

    In context

    The patient regained voluntary control over his leg muscles after several months of intensive physical therapy.

    Usage

    Often used in biology to describe muscle movements.

    Teacher's tip

    In a medical or biological context, this is the opposite of a reflex.

  4. 04 C2 Proficiency FormalTechnical Music

    n.a piece of music played on an organ, usually at the start or end of a church service.

    n.an organ solo played before, during, or after a religious service, often involving improvisation.

    Simple

    The organist played a beautiful voluntary as the wedding guests left the church.

    In context

    The service concluded with a spirited trumpet voluntary that resonated throughout the cathedral's vaulted nave.

    solopostludeprelude

Signing up with an agency for voluntary work at events has also got her into gigs and festivals for nothing.

The Guardian· 15 Aug 2026

Photograph: AP Since then, Moscow has avoided another deeply unpopular call-up by relying largely on high paid voluntary contracts to fill the ranks with roughly 1.3 million contract soldiers Russia has recruited since.

The Guardian· 14 Aug 2026

From Middle English voluntarie, from Old French volontaire, from Latin voluntārius (“willing, of free will”), from voluntās (“will, choice, desire”), from volēns, present participle of volo (“to will”). Displaced native Old English selfwille (literally “self-willed”).

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

This entry
Origin Latin voluntārius
Level B2 · Upper Intermediate
Frequency Common
Updated