Exorbitance \Ex*or"bi*tance\, Exorbitancy \Ex*or"bi*tan*cy\,, n. 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.