Lewis Short
(adjective) : jŭvĕnālis, e, juvenis
* Youthful, juvenile, suitable for young people (mostly poet. and post - Aug.): corpus,Verg. A. 5, 475: arma,id. ib. 2, 518; Sil. 2, 312: mihi mens juvenali ardebat amore compellare virum, Verg. A. 8, 163: fama,Plin. 33, 2, 8, § 32: ludi,a kind of games introduced by Nero,Suet. Ner. 11; cf. dies,id. Calig. 17: ludus,Liv. 1, 57, 11.—Hence, subst.: jŭvĕnālĭa, ium, n., youthful pursuits, games, Tac. A. 14, 15; 15, 33; 16, 21; Capitol. Gord. 4.—Adv.: jŭvĕnālĭ-ter, in a youthful manner, youthfully: jecit ab obliquo nitidum juvenaliter aurum,Ov. M. 10, 675; id. A. A. 3, 733; id. M. 7, 805. —Hence, rashly, improvidently, Ov. Tr. 2, 117 al.
Charlton T. Lewis, Charles Short, A Latin Dictionary