What does "exorbitance" mean?

Exorbitance: 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." Dryden. The lamentable exorbitances of their superstitions. Bp. Hall.