0 present participle of volunteer
1 to offer to do something that you do not have to do, often without having been asked to do it and/or without expecting payment:
[ + to infinitive ] During the emergency many staff volunteered to work through the weekend.
He volunteered for the army (= he joined even though he did not have to).
I volunteered myself for the position of Health and Safety Representative.
If I were you, I wouldn't volunteer any details of what happened.
[ + speech ] "I saw her going out of the main entrance half an hour ago," he volunteered.
You can accuse me of cowardice, but I still wouldn't volunteer to fight in a war.
I volunteered to do the washing up.
Did anybody volunteer to tidy up?
Volunteering and depression: the role of psychological and social resources in different age groups.
She had returned to her active schedule with friends, and volunteering.
Most start by understating the problem of remuneration, some going as far as volunteering for unpaid work.