How to uninstall or remove libqt5widgets5 software package from Ubuntu 14.04 LTS (Trusty Tahr)

You can uninstall or removes an installed libqt5widgets5 package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,

$ sudo apt-get remove libqt5widgets5

Uninstall libqt5widgets5 including dependent package

If you would like to remove libqt5widgets5 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libqt5widgets5

Use Purging libqt5widgets5

If you use with purge options to libqt5widgets5 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libqt5widgets5

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 libqt5widgets5