Synonyms and related words :
anabatic, ascendant, ascending, ascensional, ascensive, climbing, cutthroat, exacting, excessive, exorbitant, extortionate, extravagant, fancy, gouging, grossly overpriced, immoderate, in the ascendant, inflationary, inordinate, leaping, mounting, out of bounds, out of sight, outrageous, overpriced, preposterous, prohibitive, rampant, rearing, rising, saltatory, scandent, scansorial, spiraling, springing, unconscionable, undue, unreasonable, unwarranted, uparching, upcoming, upgoing, upgrade, uphill, uphillward, uprising, upsloping, upward, upwith, usurious