THESAURUS
deadweight
avoirdupois, bale, beef, beefiness, burden, burdening, burthen, cargo, charge, charging, cross, cumber, cumbrance, difficulty, disadvantage, drag, duty, embarrassment, encumbrance, fatness, freight, gravity, gross weight, hamper, handicap, heaviness, heft, heftiness, impediment, impedimenta, imposition, inconvenience, incubus, incumbency, lading, liveweight, load, loading, lumber, millstone, neat weight, net, net weight, onus, oppression, overbalance, overload, overtaxing, overweight, overweighting, pack, penalty, ponderability, ponderosity, ponderousness, poundage, pressure, saddling, superincumbency, surcharge, task, tax, taxing, tonnage, trouble, underweight, weight, weightiness, white elephant