What is another word for worked free?
Pronunciation: [wˈɜːkt fɹˈiː] (IPA) 
The phrase "worked free" can be replaced by a number of synonyms, depending on the context. Some examples include "volunteered," "contributed," "donated," "offered one's services," "assisted pro bono," "worked without pay," "worked as a volunteer," "worked as an intern," "worked as an apprentice," and "worked without compensation." Each of these synonyms conveys a slightly different meaning, so it's important to choose the one that best fits the specific situation. Regardless of which synonym is used, the underlying idea is the same: someone is putting in time and effort without receiving monetary compensation in return.
