vol ‧ un ‧ ta ‧ ri ‧ ly AC /ˈvɒlənt ə rəli, ˈvɒlənt ə rɪli, ˌvɒlənˈterəli $ ˌvɑːlənˈterəli/ BrE AmE adverb
[ Word Family: verb : ↑ volunteer ; noun : ↑ volunteer ; adverb : ↑ voluntarily ≠ ↑ involuntarily ; adjective : ↑ voluntary ≠ ↑ involuntary ]
1 . if you do something voluntarily, you do it willingly, without anyone telling you to do it:
She wasn’t fired – she left voluntarily.
2 . if you do work voluntarily, you do it because you want to, and are not paid for it ⇨ volunteer :
Susan worked in the studios voluntarily, to gain experience.