/ Dictionary / Index P puerile: Meaning and Definition of Find definitions for: pu•er•ile Pronunciation: (py'ur-il, -u-rīl", pyoor'il, -īl), [key] — adj. of or pertaining to a child or to childhood. childishly foolish; immature or trivial: a puerile piece of writing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: puerile (Thesaurus) pueblo puerilism Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language