/ Dictionary / Index T Thematic Apperception Test: Meaning and Definition of Find definitions for: Themat'ic Appercep'tion Test" Pronunciation: [key] — Psychol. Psychol. a projective technique in which stories told by a subject about each of a series of pictures are assumed to reveal dominant needs or motivations. Abbr.: TAT Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thematic theme Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language