(n.) The quality or state of being superincumbent.

aching heart agony agony of mind anguish bind up bindle bitterness bleeding heart bolt bouquet broken heart budget bundle bundle up burden burdening burthen cargo charge charging crushing cumber cumbrance deadweight deck depression depth of misery desolation despair do up drag encumbrance extremity fagot fardel fasces fascine freight grief handicap heartache heavy heart incubus incumbency infelicity lading load loading melancholia melancholy millstone misery nosegay oppression overload overtaxing overweighting pack package packet parcel posy pressure prostration quiver roll roll up rouleau saddling sadness sheaf suicidal despair superincumbency surcharge taxing tie up truss truss up woe wrap wrap up wretchedness