/ Dictionary / Index P psychodelic: Meaning and Definition of Find definitions for: psy•cho•del•ic Pronunciation: (sī"ku-del'ik), [key] — adj., n. psychedelic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. psychochemical psychodiagnosis 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