/ Dictionary / Index R rejuvenescent: Meaning and Definition of Find definitions for: re•ju•ve•nes•cent Pronunciation: (ri-j"vu-nes'unt), [key] — adj. becoming young again. making young again; rejuvenating. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rejuvenate rejuvenize Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language