Definition of "juvenile" []

• Not fully grown or developed; young. (adjective)
• Of, relating to, characteristic of, intended for, or appropriate for children or young people: juvenile fashions. (adjective)
• Marked by immaturity; childish: juvenile behavior. See Synonyms at young. (adjective)
• A young person; a child. (noun)
• A young animal that has not reached sexual maturity. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "12 The term juvenile court is used here, but depending on the jurisdiction, the court may have other names such as family court or juvenile and domestic relations court."
• ""You know, this is sort of what I call a juvenile approach to a serious problem," the Democrat said."
• ""This is sort of what I call a juvenile approach to a serious problem.""