stand up with (one)

stand up with (one)

1. To be one's best man or maid of honor at one's wedding. My brother was a bit hurt that I asked my friend to stand up with me instead. Jenny wants me to stand up with her at her wedding this summer, but I don't think I'll be able to do it.
2. To show support for and solidarity with one. The goal of our organization is to stand up with the victims and see that justice is done. I promised to stand up with the people of my state if I was elected to Congress.
See also: stand, up
Farlex Dictionary of Idioms.

stand up with someone

to attend someone who is being married. (Usually refers to males.) I agreed to stand up with my buddy at his wedding. Tom stood up with Harry when the latter got married.
See also: stand, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

stand up with

Be the principal witness at a wedding, that is, act as best man or maid or matron of honor. For example, Jane asked her sister to stand up with her.
See also: stand, up
The American Heritage® Dictionary of Idioms by Christine Ammer.

stand up with

To act as best man or maid of honor for (the groom or bride) at a wedding.
See also: stand, up
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • be written all over (one's) face
  • be written all over somebody's face
  • be written all over your face
  • at (one's) doorstep
  • at doorstep
  • at expense
  • at somebody's expense
  • at someone's expense
  • at (one's) expense
  • be remembered as/for something