/ Dictionary / Index P puerility: Meaning and Definition of Find definitions for: pu•er•il•i•ty Pronunciation: (py"u-ril'i-tē, pyoo-ril'-), [key] — pl. -ties. the state or quality of being a child. the quality of being puerile; childish foolishness or triviality. a puerile act, idea, remark, etc.: an inexcusable puerility. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: puerility (Thesaurus) puerilism puerpera 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