imposition, infliction -- (the act of imposing something (as a tax or an embargo))
infliction -- (an act causing pain or damage)
annoyance, bother, botheration, pain, infliction, pain in the neck, pain in the ass -- (something or someone that causes trouble; a source of unhappiness; "washing dishes was a nuisance before we got a dish washer"; "a bit of a bother"; "he's not a friend, he's an infliction")