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English definition of “voluntary”

voluntary

adjective uk   /ˈvɒl.ən.tər.i/ us    /ˈvɑː.lən.ter.i/
C1 done, made, or given willingly, without being forced or paid to do it: They chose to take voluntary redundancy. She does voluntary work for the Red Cross two days a week. describes an organization that is controlled and supported by people who give their time and money to it without being paid, and that exists to help other people: The hospital has asked various voluntary organizations to help raise money for the new operating theatre.
voluntarily
adverb uk   /-trəl.i/ us    /-ter.əl.i/
(Definition of voluntary from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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