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