/ Dictionary / Index R regressive: Meaning and Definition of Find definitions for: re•gres•sive Pronunciation: (ri-gres'iv), [key] — adj. regressing or tending to regress; retrogressive. of, pertaining to, or effecting regression. (of tax) decreasing proportionately with an increase in the tax base. obtained from or characterized by backward reasoning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: regressive (Thesaurus) regression analysis regressive assimilation Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language