(adj.adv.) : pŭĕrīlis, e, adj.puer.
* Lit., boyish, childish, youthful (class.): puerili specie, senili prudentiā,Cic. Div. 2, 23, 50: aetas,id. Arch. 3, 4; cf. tempus,Ov. M. 6, 719: disciplina,Cic. N. D. 1, 26, 72; id. Rep. 4, 3, 3: institutio,id. de Or. 2, 1, 1: doctrina,id. ib. 3, 31, 125; Quint. 1, 1, 9: delectatio,Cic. Fin. 1, 21, 72: regnum,Liv. 1, 3: blanditiae,Ov. M. 6, 626: manus,Cels. 3, 27, 3: ostrum,the proetexta,Stat. S. 5, 2, 66: agmen,a troop of boys,Verg. A. 5, 548.—In distinction from virgineus: (faciem) virgineam in puero, puerilem in virgine possis (dicere),boyish,Ov. M. 8, 323.
* In partic., in mal. part.: officium,Plaut. Cist. 4, 1, 5: supplicium,Mart. 2, 60, 2; and absol. puerile, id. 9, 67, 3; cf.: puerile obtulit corollarium,App. M. 3, p. 138, 13; Hyg. Fab. 189.
* Transf., boyish, childish, puerile, trivial, silly (rare but class.): acta illa res est animo virili, consilio puerili,Cic. Att. 14, 21, 3: sententia,Ter. Phorm. 5, 7, 56: vota,Ov. Tr. 3, 8, 11: res (with insubidae, inertes),Gell. 18, 8, 1: isagogae,id. 1, 2, 6: puerile est,Ter. And. 2, 6, 18.—Comp.: si puerilius his ratio esse evincet amare,Hor. S. 2, 3, 250. —Hence, adv.: pŭĕrīlĭtĕr, like a child: ludentes,Phaedr. 3, 8, 5: blandiri,Liv. 21, 1.
* Childishly, foolishly, sillily: stultus,Plaut. Pers. 4, 4, 42; Cic. Fin. 1, 6, 19: facere,id. Ac. 2, 11, 33; 2, 17, 54; Tac. H. 4, 86.

s. TLL