make common cause with

make common cause with (someone or something)

To work together to do or accomplish something. We've made common cause with the surrounding neighborhoods to stop the city from paving over the local baseball fields.
See also: cause, common, make
Farlex Dictionary of Idioms.

make common cause with

unite with in order to achieve a shared aim.
1997 A. Sivanandan When Memory Dies I was sorry that the crows, proud kings of the dung-heap, should make common cause with house-sparrows under the eaves of roofs.
See also: cause, common, make
Farlex Partner Idioms Dictionary
See also:
  • make common cause with (someone or something)
  • a committee is a group of men who keep minutes and waste hours
  • group
  • (one's) work is cut out for (one)
  • be able to (do something) in (one's) sleep
  • be able to do something in your sleep
  • do (something) blindfolded
  • do blindfolded
  • could (do something) with one hand tied behind (one's) back
  • able to do with eyes closed