Synonyms and related words :
a bit much, abandoned, banned, barred, boundless, contraband, cutthroat, egregious, enormous, exacting, exaggerated, excessive, exorbitant, extortionate, extravagant, extreme, fabulous, fancy, forbade, forbid, forbidden, gigantic, gluttonous, gouging, grossly overpriced, high, hyperbolic, hypertrophied, illegal, illicit, immoderate, incontinent, inflationary, inordinate, intemperate, monstrous, nonpermissible, not permitted, off limits, out of sight, outlawed, outrageous, overbig, overdeveloped, overgreat, overgrown, overlarge, overmuch, overpriced, overweening, preposterous, prohibited, prohibitive, restricted, ruled out, skyrocketing, spiraling, steep, stiff, taboo, tabooed, too much, unallowed, unauthorized, unbridled, unconscionable, under the ban, undue, unlawful, unlicensed, unpermissible, unreasonable, unrestrained, unsanctioned, untouchable, unwarranted, usurious, verboten, vetoed