common cause(redirected from to make common cause (with))
Any interest, goal, or other motivating factor that is shared between two or more people, groups, or organizations. The two political parties, typically so divided on social issues, were united in the common cause of eliminating homelessness.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
A joint interest, as in "The common cause against the enemies of piety" (from John Dryden's poem, Religio laici, or a Layman's Faith, 1682). This term originated as to make common cause (with), meaning "to unite one's interest with another's." In the mid-1900s the name Common Cause was adopted by a liberal lobbying group.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.