Pronunciation: (ku-myOOn'l, kom'yu-nl),[key] —adj. 1. used or shared in common by everyone in a group: a communal jug of wine. 2. of, by, or belonging to the people of a community; shared or participated in by the public: communal land; Building the playground was a communal project. 3. pertaining to a commune or a community: communal life. 4. engaged in by or involving two or more communities: communal conflict.