Unbe*seem"ing*ly

from The Collaborative International Dictionary of English v.0.48

Unbeseeming \Un`be*seem"ing\, a. [Pref. un- not + beseeming.]
   Unbecoming; not befitting. -- {Un`be*seem"ing*ly}, adv. --
   {Un`be*seem"ing*ness}, n.
   [1913 Webster]