(1):
(a.) Not comprehended in a settled rule or method; anomalous.
(2):
(a.) 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.