/ Dictionary / Index Z zero-base: Meaning and Definition of Find definitions for: ze•ro-base Pronunciation: (zēr'ō-bās"), [key] — adj., v., -based, -bas•ing. —adj. without reference to a base figure or to previous practice; according to present needs only, as opposed to a percentage increase or decrease of previous figures: zero-base planning; zero-base inventory. —v.t. to apply zero-base methods to. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zero zero-base budgeting 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