- Decimus Junius Juvenalis, a.d. c60–140, Roman poet.
- ornithol a variant spelling (esp US) of juvenile (def. 4)
- Latin name Decimus Junius Juvenalis. ?60–?140 ad, Roman satirist. In his 16 verse satires, he denounced the vices of imperial Rome
1580s (n.), 1630s (adj.), from Latin iuvenalis “of or belonging to youth,” from iuvenis “a young person” (see young). The Roman satirist is Decimius Junius Juvenalis.