incumbrance

incumbrance (http://definr.com/incumbrance)

     n 1: a charge against property (as a lien or mortgage) [syn: encumbrance]
     2: an onerous or difficult concern; "the burden of
        responsibility"; "that's a load off my mind" [syn: burden,
         load, encumbrance, onus]
     3: any obstruction that impedes or is burdensome [syn: hindrance,
         hitch, preventive, preventative, encumbrance, interference]