unwieldiness

from WordNet (r) 3.0 (2006)

unwieldiness
    n 1: the quality of being difficult to direct or control by
         reason of complexity; "avoiding the unwieldiness of formal
         legal processes"; "the onset of unwieldiness and
         bureaucracy in large organizations"
    2: trouble in carrying or managing caused by bulk or shape; "the
       movers cursed the unwieldiness of the big piano" [syn:
       {awkwardness}, {cumbersomeness}, {unwieldiness}]

from The Collaborative International Dictionary of English v.0.48

Unwieldy \Un*wield"y\, a.
   Not easily wielded or carried; unmanageable; bulky;
   ponderous. "A fat, unwieldy body of fifty-eight years old."
   --Clarendon.
   [1913 Webster] -- {Un*wield"i*ly}, adv. -- {Un*wield"i*ness},
   n.
   [1913 Webster]