unprincely
unprincely
(ʌnˈprɪnslɪ)adj, -lier or -liest
not befitting or characteristic of a prince
adv
in a manner not befitting a prince
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014