the advantage or benefit of all people in society or in a group: In spite of our differences, we shall work for the common good.
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British Dictionary definitions for common good
the part of the property of a Scottish burgh, in the form of land or funds, that is at the disposal of the community
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012