/ Dictionary / Index Z zestful: Meaning and Definition of Find definitions for: zest•ful Pronunciation: (zest'ful), [key] — adj. full of zest. characterized by keen relish, hearty enjoyment, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zestful (Thesaurus) zest zesty Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language