unworthiness

from WordNet (r) 3.0 (2006)

unworthiness
    n 1: the quality or state of lacking merit or value [ant:
         {worthiness}]
    2: the quality of being not particularly suitable or befitting;
       "he retracted nothing that he had said about the
       inappropriateness of either a corporeal God or a God who is a
       person"; "his praise released from her loud protestations of
       her unworthiness" [syn: {inappropriateness}, {unworthiness}]
       [ant: {appropriateness}]

from The Collaborative International Dictionary of English v.0.48

Unworthy \Un*wor"thy\, a.
   Not worthy; wanting merit, value, or fitness; undeserving;
   worthless; unbecoming; -- often with of. -- {Un*wor"thi*ly},
   adv. -- {Un*wor"thi*ness}, n.
   [1913 Webster]