/ Dictionary / Index D dynamic psychology: Meaning and Definition of Find definitions for: dynam'ic psychol'ogy Pronunciation: [key] any approach to psychology that emphasizes drives and motives as determinants of behavior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dynamic psychiatry dynamic range Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language