English Reference
noun · verb

sponsor

n. · v.
US /ˈspɑnsɝ/ UK /spˈɒnsɐ/ spon·sor UK spelling sponsored, sponsoring, sponsors

  1. 01 B2 Upper Intermediate

    n.a person or company that pays for a show, a sports team, or an event, usually to advertise their own name.

    n.an entity that provides funds for a project, event, or individual, typically in exchange for commercial advertising rights.

    Simple

    The local bank is the main sponsor of the town's annual summer festival.

    In context

    The corporate sponsor withdrew its funding after the athlete was involved in a public scandal that damaged the brand's reputation.

    Usage

    Often used with the preposition 'of' to indicate the project being funded.

    backerpatronunderwriter
  2. 02 C1 Advanced Formal Law

    n.someone who takes official responsibility for another person, such as a person moving to a new country.

    n.a person or organisation that assumes responsibility for another, often in a legal, religious, or immigration context.

    Simple

    To get a work visa, you often need a company to act as your sponsor.

    In context

    The university acted as the official sponsor for the visiting professor, ensuring all visa requirements were met during her residency.

    Usage

    In immigration contexts, this is a countable noun referring to the person signing the guarantee.

  3. 03 B2 Upper Intermediate

    v.to pay for or support an event, person, or piece of work.

    v.to provide financial or official support for an undertaking. Transitive — always takes a direct object.

    Simple

    A large technology company decided to sponsor the school's new science lab.

    In context

    Several local businesses volunteered to sponsor the charity run, covering the costs of water, t-shirts, and timing equipment.

    Usage

    Commonly used in the passive voice: 'The event was sponsored by...'

In a rarity, the club’s main shirt sponsor is a local business, the software company Halo.

The Guardian· 17 Aug 2026

For the fourth year in a row, Chelsea look likely to start the season without a front-of-shirt sponsor.

The Guardian· 12 Aug 2026

Learned borrowing from Latin spōnsor (“a surety", in Late Latin "a sponsor in baptism”).

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

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated