Exorbitance
Exorbitance , noun
A going out of or beyond the usual or due limit; hence, enormity; extravagance; gross deviation from rule, right, or propriety; as, the exorbitances of the tongue or of deportment; exorbitance of demands.
A curb to your exorbitancies.
The lamentable exorbitances of their superstitions.
Also: Exorbitancy