Breadcrumb Home > Dictionary > Index T therefore: Meaning and Definition of Find definitions for: there•fore Pronunciation: (âr'fôr", -fōr"), [key] — adv. in consequence of that; as a result; consequently: I think; therefore I am. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: therefore (Thesaurus) therefor therefrom ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language