PUERILE

[pu.er.ile] adj [F or L; F pueril, fr. L puerilis, fr. puer boy, child; akin to Skt putra son, child and perh. to Gk pais boy, child--more at few] (1661) 1: juvenile

2: childish, silly "~ remarks" -- pu.er.ile.ly adv -- pu.er.il.i.ty n