Ex*or"bi*tant (?), a. [L. exorbitans, -antis, p. pr. of exorbitare to go out of the track; ex out + orbita track: cf. F. exorbitant. See Orbit.] 1. 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.

Foul exorbitant desires.

2. Not comprehended in a settled rule or method; anomalous.

The Jews . . . [were] inured with causes exorbitant, and such as their laws had not provided for.

• exceeding proper limits; extravagant; excessive or unduly high
       It's a nice car, but they are charging an exorbitant amount of money for it.