costing an arm and a leg

arbitrary excessive exorbitant extreme illegitimate improper inordinate senseless unconscionable undue unfair unjust unjustifiable unlawful unwarranted wrongful

absonant dear extortionate far-out immoderate intemperate out of bounds overkill overmuch peremptory posh pricey steep stiff too great too much too-too uncalled-for unrightful unwarrantable up to here way-out

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absonant arbitrary dear excessive exorbitant extortionate extreme far-out illegitimate illogical immoderate improper inordinate intemperate irrational out of bounds overkill overmuch peremptory posh pricey senseless steep stiff too great too much too-too uncalled-for unconscionable undue unfair unjust unjustifiable unlawful unrightful unwarrantable unwarranted up to here way-out wrongful