from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Not fully grown or developed; young.
- adj. Of, relating to, characteristic of, intended for, or appropriate for children or young people: juvenile fashions.
- adj. Marked by immaturity; childish: juvenile behavior. See Synonyms at young.
- n. A young person; a child.
- n. A young animal that has not reached sexual maturity.
- n. An actor who plays roles of children or young persons.
- n. A children's book.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. young; not fully developed
- adj. characteristic of youth or immaturity; childish
- n. a prepubescent child
- n. a person not legally of age, or who is younger than may be charged with an offence
- n. an animal that is not sexually mature
- n. an actor playing a child's role
from the GNU version of the Collaborative International Dictionary of English
- adj. Young; youthful.
- adj. Of or pertaining to youth.
- adj. Characteristic of children; immature; childish; puerile; infantile.
- n. A young person or youth; -- used sportively or familiarly.
from The Century Dictionary and Cyclopedia
- Young; youthful: as, a juvenile manner; a juvenile part in a play.
- Pertaining or suited to youth: as, juvenile sports or books.
- Synonyms Boyish, Puerile, etc. See youthful.
- n. A young person; a youth.
- n. A book written for young persons or children.
- n. Theat., an actor who plays youthful parts:
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a young person, not fully developed
- adj. displaying or suggesting a lack of maturity
- adj. of or relating to or characteristic of or appropriate for children or young people
Latin iuvenīlis, from iuvenis, young; see yeu- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin iuvenilis, from iuvenis ("young") (Wiktionary)