Interest on Student Loans by Student Loan Attorneys | Nov 4, 2012 | Glossary, Student Loans | 0 comments Interest The cost of borrowing money, charged as a percentage (interest rate) of the outstanding (unpaid) principal balance. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ