Synonyms and related words :
cutthroat, dilatant, distensive, elastic, exacting, excessive, exorbitant, expansible, expansile, expansional, expansive, extensile, extensional, extensive, extortionate, extravagant, fancy, gouging, grossly overpriced, immoderate, inflatable, inordinate, out of bounds, out of sight, outrageous, overpriced, preposterous, prohibitive, skyrocketing, spiraling, unconscionable, undue, unreasonable, unwarranted, usurious