Exorbitant

ex·or·bi·tant (-tənt)

adjective
going beyond what is reasonable, just, proper, usual, etc.; excessive; extravagant: said esp. of charges, prices, etc.

modif.
excessive, extravagant, inordinate, immoderate; see excessive, expensive, extreme 2. See syn. study at excessive.

Etymology: ME < L exorbitans, prp. of exorbitare, to go out of the track < ex-, out + orbita, a track, orbit

Example: Our shopping binge in Divisoria was anything but EXORBITANT.