Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “volunteer”


noun [C]    /ˌvɑl·ənˈtɪr/
a person who does something, esp. for other people or for an organization, willingly and without being forced or paid to do it: The charity relies on volunteers to run the office and answer the phones.
(Definition of volunteer noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of volunteer

More American English definitions for “volunteer”

Definitions of “volunteer” in other dictionaries

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More