Puerile :: Puerile (a.) Boyish; childish; trifling; silly.
Puerilely :: Puerilely (adv.) In a puerile manner; childishly.
Puerileness :: Puerileness (n.) The quality of being puerile; puerility.
Puerility :: Puerility (n.) The quality of being puerile; childishness; puerileness.
Puerility :: Puerility (n.) That which is puerile or childish; especially, an expression which is flat, insipid, or silly..