/ Dictionary / Index P psychodiagnosis: Meaning and Definition of Find definitions for: psy•cho•di•ag•no•sis Pronunciation: (sī"kō-dī"ug-nō'sis), [key] — n. a psychological examination using psychodiagnostic techniques. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. psychodelic psychodiagnostics Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language