Pū'er-ile, a.
a. [Lat. puerilis, from puer, a child, a boy; It. puerile, Pr., Sp., & Pg. pueril, Fr. puéril.] Boyish; trifling; childish.
The French have been notorious through generations for their puerile affectation of Roman forms, models, and historic precedents. De Quincey.
Synonyms—Youthful; boyish; juvenile; childish; trifling; weak. See YOUTHFUL.