The meaning of juvenile is physiologically immature or undeveloped : How to use juvenile in a sentence. See examples of juvenile used in a sentence.
Juvenile synonyms, juvenile pronunciation, juvenile translation, english dictionary definition of juvenile. Jan 20, 2026adjective juvenile (comparative more juvenile, superlative most juvenile) young; Juvenile /ˈdʒuːvɪˌnaɪl/ adj young, youthful, or immature suitable or designed for young people:
Juvenile pastimes n a juvenile person, animal, or plant an actor who performs youthful roles a book intended. Definition of juvenile adjective in oxford advanced learner's dictionary. Facilities and offices within its five designated service regions, the department of juvenile services has 11 facilities and 33 offices statewide.
The juvenile justice system is a separate and distinct system of law within the united states' justice system. While the noun juvenile refers to someone not physically or emotionally mature, the word is often used as an adjective to refer to anything specifically for young people, such as juvenile reading materials.