| 1. | of, pertaining to, characteristic of, or suitable or intended for young persons: juvenile books. |
| 2. | young; youthful: juvenile years. |
| 3. | immature; childish; infantile: His juvenile tantrums are not in keeping with his age. |
| 4. | a young person; youth. |
| 5. | Theater.
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| 6. | a book for children. |
| 7. | Ornithology. a young bird in the stage when it has fledged, if altricial, or has replaced down of hatching, if precocial. |
| 8. | a two-year-old racehorse. |
ju·ve·nile (jōō'və-nīl', -nəl) adj.
[Latin iuvenīlis, from iuvenis, young; see yeu- in Indo-European roots.] ju've·nile'ly adv., ju've·nile'ness n. |