1. in a manner involving the practice of lending money at unreasonably high rates of interest
Usage: formal; financial

Examples

• The loan shark operated usuriously, charging desperate borrowers 300% annual interest.
• Medieval laws prohibited lending money usuriously to fellow Christians.
• The payday lender was accused of operating usuriously in low-income neighborhoods.
• Banks that lend usuriously often target vulnerable populations.
• The company was fined for usuriously exploiting customers during the financial crisis.