Legal Definition of Delinquent: An individual who does not carry out that which is expected of him or that which he has promised to do; a debt that is due and has not been paid; neglectful of duty | Learn the ins and outs of the legal definition of delinquent to protect your business operations. Discover what delinquency looks like in various situations, the importance of addressing it, and authoritative advice on how to handle delinquent behavior. Click now to avoid financial losses and damage to your reputation