
1) Adolescent 2) Child 3) Childish 4) Childlike 5) Immature 6) Kid 7) Nipper 8) Pre teenager 9) Rapper 10) Stripling 11) Stupid 12) Teenage 13) Teenager 14) Tiddler 15) Youngster 16) Younker 17) Youth 18) Youthful
Found on
https://www.crosswordclues.com/clue/juvenile

1) Childish 2) Childish as behavior 3) Immature 4) Kind of delinquent 5) Part of JD 6) Time of life 7) Young 8) Young person 9) Young, immature
Found on
https://www.crosswordclues.com/clue/juvenile

a young fish or animal that has not reached sexual maturity.
Found on
http://en.wikipedia.org/wiki/Glossary_of_fishery_terms

A person under 18 years of age.
Found on
http://jec.unm.edu/manuals-resources/glossary-of-legal-terms

• (n.) A young person or youth; -- used sportively or familiarly. • (a.) Young; youthful; as, a juvenile appearance. • (a.) Of or pertaining to youth; as, juvenile sports.
Found on
http://thinkexist.com/dictionary/meaning/juvenile/

A children's book.
Found on
http://www.alibris.com/glossary/glossary-books

A young bird in immature plummage.
Found on
http://www.encyclo.co.uk/local/20587

(joo´vә-nīl) pertaining to youth or childhood; young or immature. a youth or child; a young animal; a cell or organism intermediate between the immature and mature forms.
Found on
http://www.encyclo.co.uk/local/21001

A young person who has not yet reached the age at which he or she should be treated as an adult for purposes of criminal law; also can be used in a non-criminal context, referring to a young person who is not yet legally able to marry or sign contracts because they have not yet reached the age of majority, or adulthood.
Found on
http://www.encyclo.co.uk/local/21681

A young cetacean that is no longer a calf but is not yet sexually mature.
Found on
http://www.encyclo.co.uk/local/21699

A bird while it wears its juvenal plumage. This period of time can vary for different species. Many songbirds reach adult plumage within a few months while other species such as gulls and hawks take a few years before they obtain adult plumage.
Found on
http://www.encyclo.co.uk/local/22214

A young animal either still cared for by adults or able to care for itself, but not sexually mature or of adult size or status.
Found on
http://www.encyclo.co.uk/local/22217

Used to describe a young leaf shape which is different to that when mature
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Ju've·nile adjective [ Latin
juvenilis , from
juvenis young; akin to English
young : confer French
juvénile ,
juvénil . See
Young .]
1. Young; youthful; as, a
juvenile appearance. 'A
juvenile exercitation.'
Glanvill. 2....Found on
http://www.encyclo.co.uk/webster/J/18
Ju've·nile noun A young person or youth; -- used sportively or familiarly.
C. Bronté. Found on
http://www.encyclo.co.uk/webster/J/18

a young animal, not yet sexually mature.
Found on
http://www.kingsnake.com/articles/Glossary.html

A very young bird in juvenile plumage. This plumage is the first full set of feathers of a young bird after it loses its natal down.
Found on
http://www.kuwaitbirds.org/birding/glossary

A person who is under eighteen years of age; or for the purpose of proceedings and disposition because of an act of juvenile delinquency, a person who is under twenty-one years of age. 18 U.S.C.
Found on
http://www.lectlaw.com/def/j018.htm

an immature, non-reproducing turtle
Found on
http://www.seeturtles.org/1901/glossary-of-sea-turtle-terms.html

a young fish or animal that has not reached sexual maturity.
Found on
http://www.translationdirectory.com/glossaries/glossary245.php

A young bird.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

A young bird, typically one that is recently fledged and has not attained its full adult plumage.
Found on
https://nestwatch.org/learn/general-bird-nest-info/words-about-birds/
adjective of or relating to or characteristic of or appropriate for children or young people; `juvenile diabetes`; `juvenile fashions`
Found on
https://www.encyclo.co.uk/local/20974

A young bird still in first plumage, ie. the plumage with which it fledged.
Found on
https://www.encyclo.co.uk/local/22222

A young, immature bird, usually one that is no longer considered a chick and has fledged.
Found on
https://www.sciencebase.com/science-blog/birding-glossary.html
No exact match found.