Of a price, rate, amount, percentage, etc.: having a large numerical value. Also: (of a commodity) high-priced, expensive, costly; (of money) lent…

Severe, burdensome, oppressive. Of a payment, a charge: considerable in amount, heavy, stiff.

Extremely or excessively great or large. Of a payment, financial gain, etc.: high or excessive. In later use only in legal contexts, relating to…

Exceeding ordinary or proper bounds. Of a price, rate, stipulation, demand, claim, etc.: Grossly excessive.

Exceeding the bounds of economy or necessity in expenditure, mode of living, etc.; profuse… Of expense, interest, price, etc.: Exorbitant.

Of a price, charge, demand, etc.: Unusually high, excessive. Cf. sense A. 10.

Very high in price, level, or degree.

slang. Excessive, extravagant, ‘stiff’, ‘tall’. Of a price, an amount: Exorbitant. Of a story, etc.: Exaggerated, incredible.

figurative. colloquial. = stratospheric, adj. 2.