noninterest adjective 1noun 1forms 1 adjective1 •Not of or pertaining to interest (additional amount repaid as a fraction of money or goods borrowed).Consumer deposits are now insured up to $250,000 per account, and the F.D.I.C. offers unlimited coverage on noninterest payroll accounts used by businesses. — 2009 noun1 •That which is not an interest. formsnoninterests
