Departing from an orbit or usual track; hence, deviating from the usual or due course; going beyond the appointed rules or established limits of right or propriety; excessive; extravagant; enormous; inordinate; as, exorbitant appetites and passions; exorbitant charges, demands, or claims
emphasis If you describe something such as a price or fee as exorbitant, you are emphasizing that it is much greater than it should be. Exorbitant housing prices have created an acute shortage of affordable housing for the poor. = excessive + exorbitantly ex·or·bi·tant·ly exorbitantly high salaries. an exorbitant price, amount of money etc is much higher than it should be = astronomical exorbitant rent/prices etc (present participle of exorbitare , from orbita )