unceremoniously

US /ʌnˌser.ɪˈmoʊ.ni.əs.li/
UK /ʌnˌser.ɪˈmoʊ.ni.əs.li/
1.

kurzerhand

in a way that is unceremonious (= rude, sudden, or informal):

:
•
He was unceremoniously removed from the list of members, for gross misconduct.