Vedder who says, “juvenile delinquency refers to the anti-social acts of. Juvenile delinquency, also known "juvenile offending", is the act of participating in unlawful behavior as a minor or individual younger than the statutory age of. Juvenile delinquency refers to the antisocial or criminal activity of the child (below 16 years of age for boys and 18 years for girls) which violates the law. Juvenile delinquency is the participation by a minor child, usually between the ages of 10 and 17, in illegal behavior or activities. What is Juvenile Delinquency? Juvenile Delinquency refers to participation of minors in illegal crimes. Juvenile delinquency is unlawful conduct by minors, meaning those under the age of 18 in most states (the age is 17 in Georgia, Michigan,.