Frequency: The word is one of the 3000 most common words in English.
1.
Voluntary actions or activities are done because someone chooses to do them and not because they have been forced to do them.
Attention is drawn to a special ~ course in Commercial French...
The scheme, due to begin next month, will be ~.
? compulsory
ADJ
voluntarily
I would only leave here voluntarily if there was a big chance to work abroad.
ADV: ADV with v
2.
Voluntary work is done by people who are not paid for it, but who do it because they want to do it.
He’d been working at the local hostel for the handicapped on a ~ basis.
ADJ: usu ADJ n
3.
A ~ worker is someone who does work without being paid for it, because they want to do it.
Apna Arts has achieved more with ~ workers in three years than most organisations with paid workers have achieved in ten...
We depend solely upon our ~ helpers.
ADJ: usu ADJ n
4.
A ~ organization is controlled and organized by the people who have chosen to work for it, often without being paid, rather than receiving help or money from the government.
Some local authorities and ~ organizations also run workshops for disabled people...
ADJ: ADJ n