juvenileness


ju·ve·nile

J0089300 (jo͞o′və-nīl′, -nəl)adj.1. a. Not fully grown or developed; young.b. Of or characteristic of a young animal that has not reached sexual maturity: a bird still in juvenile plumage.2. Characteristic of, intended for, or appropriate for children or young people: juvenile fashions.3. Marked by immaturity; childish: juvenile behavior. See Synonyms at young.4. Geology Relating to or being water, gas, or a mineral-rich fluid believed to have originated from magma and to have come to the earth's surface for the first time.n.1. a. A young person; a child.b. A young animal that has not reached sexual maturity.c. A two-year-old racehorse.2. An actor who plays roles of children or young persons.3. A children's book.
[Latin iuvenīlis, from iuvenis, young; see yeu- in Indo-European roots.]
ju′ve·nile′ly adv.ju′ve·nile′ness n.