/ Dictionary / Index J juvenility: Meaning and Definition of Find definitions for: ju•ve•nil•i•ty Pronunciation: ( j"vu-nil'i-tē), [key] — pl. -ties. juvenile state, character, or manner. youthful qualities or acts. an instance of being juvenile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: juvenility (Thesaurus) juvenilia juvenilize Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language