/ Dictionary / Index R regress: Meaning and Definition of Find definitions for: re•gress Pronunciation: (v.ri-gres'n.rē'gres), [key] — v.i. to move backward; go back. to revert to an earlier or less advanced state or form. —n. the act of going back; return. the right to go back. backward movement or course; retrogression. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: regress (Thesaurus) regreet regression 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