1) Exorbitant 2) Extortionate 3) French word used in English 4) Immoderate 5) Outrageous 6) Practicing usury 7) Steep 8) Taking too much interest 9) Unconscionable 1) Exorbitant 2) Extortionate 3) Immoderate 4) Usurary 
adj. referring to the interest on a debt which exceeds the maximum interest rate allowed by law.
• (a.) Practicing usury; taking illegal or exorbitant interest for the use of money; as, a usurious person. • (a.) Partaking of usury; containing or involving usury; as, a usurious contract.
(n) Usurious is the rate of interest charged on a debt, which exceeds the permissible upper interest ceiling as per rules prevailing that time. Courts may not interfere or order the payment of usurious interest.
Exceeding the maximum interest rate on a debt that is allowed by law.
usurious 1. Practicing usury by charging illegal or exorbitant rates of interest for the use of money: 'He was a usurious moneylender.' 2. Constituting or characterized by usury: 'They charged usurious rates of interest for that usurious loan.' Pertaining to usury; partaking of the nature of usury; involving usury; tainted with usury; as, 'a usuri...
practicing usury; charging illegal or exorbitant rates of interest for the use of money: a usurious moneylender. · constituting or characterized by usury: usurious rates of interest; a usurious loan.