Onus - Definition
onus
n 1: an onerous or difficult concern; "the burden of
responsibility"; "that's a load off my mind" [syn:
burden, load, encumbrance, incumbrance, onus]
n 1: an onerous or difficult concern; "the burden of
responsibility"; "that's a load off my mind" [syn:
burden, load, encumbrance, incumbrance, onus]