$ sudo apt-get remove monav 

Uninstall monav including dependent package

If you would like to remove monav and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove monav 

Use Purging monav

If you use with purge options to monav package all the configuration and dependent packages will be removed.

$ sudo apt-get purge monav 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove monav 

See Also,