exorbitance (iou)

exorbitance noun. LME.
[formed as EXORBITANCY: see -ANCE.]
(A) transgression of law or morality; an offence; misconduct, criminality. arch. LME.
The fact of being excessive or immoderate; extravagance; esp. gross excessiveness of a price, demand, etc. E17.
(An) eccentricity, (an) irregularity; (a) divergence from a prescribed track. Also, an attack of insanity. Now rare or obsolete. M17.