/ Dictionary / Index J juvenescent: Meaning and Definition of Find definitions for: ju•ve•nes•cent Pronunciation: ( j"vu-nes'unt), [key] — adj. being or becoming youthful; young. young in appearance. having the power to make young or youthful: a juvenescent elixir. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. juvenal plumage juvenile Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language