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volunteer - definition and synonyms


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noun [countable] volunteer pronunciation in American English /ˌvɑlənˈtɪr/
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  1. 1
    someone who offers to do something without being forced
    Can I have a volunteer to erase the chalkboard, please?
    volunteer for: Doctors need 50 healthy volunteers for the diet.
  2. 2
    someone who is not paid for the work that they do
    a volunteer worker
    The organization is appealing for volunteers.
    volunteers who tutor high school students
    a small team of volunteers
    volunteer for: He is a volunteer for the Gay Helpline.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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