stand up

verb

1. 1

   defend against attack or criticism

   He stood up for his friend

   She stuck up for the teacher who was accused of harassing the student

2. 2

   refuse to back down; remain solid under criticism or attack

3. 3

   be standing; be upright

   We had to stand for the entire performance!

4. 4

   put into an upright position

   Can you stand the bookshelf up?

5. 5

   rise to one's feet

   The audience got up and applauded

6. 6

   rise up as in fear

   The dog's fur bristled

   It was a sight to make one's hair uprise!

7. 7

   resist or withstand wear, criticism, etc.

   Her shoes won't hold up

   This theory won't hold water