/ Dictionary / Index T thereafter: Meaning and Definition of Find definitions for: there•af•ter Pronunciation: (âr"af'tur, -äf'-), [key] — adv. after that in time or sequence; afterward: Thereafter they did not speak. accordingly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thereafter (Thesaurus) thereabout thereat Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language