Synonyms to imposing an onus

taxing, accusal, accusation, accusing, allegation, allegement, arraignment, bale, bill of particulars, blackmail, blame, bother, bringing of charges, bringing to book, burden, burdening, burdensome, burthen, call, call for, cargo, charge, charging, claim, clamant, clamorous, complaint, contribution, count, crying, cumber, cumbrance, deadweight, delation, demand, demand for, demanding, denouncement, denunciation, draft, drag, drain, draining, duty, encumbrance, exacting, exaction, exigent, exorbitant, extortion, extortionate, extortionate demand, freight, freighting, grasping, grievous, handicap, haul, heave, heavy demand, impeachment, implication, importunate, imposition, impost, imputation, inconsiderateness, inconvenience, incubus, incumbency, indent, indictment, infliction, information, innuendo, insinuation, insistent, insistent demand, instant, lading, lawsuit, laying of charges, laying on, levy, load, loading, loading down, loud, millstone, nonnegotiable demand, notice, obtrusiveness, oppression, oppressive, order, overexertion, overextension, overload, overstrain, overstress, overtax