1.
to be built :
New offices buildings are going up everywhere.
2.
when the curtain across the stage in a theatre goes up , it is raised or opened
3.
to be destroyed by fire or an explosion :
The whole building went up in flames.
4.
if the price of sth, the temperature, etc. goes up , it becomes higher
SYN rise :
The price of cigarettes is going up.
Cigarettes are going up in price.
OPP go down