/ Dictionary / Index P preconscious: Meaning and Definition of Find definitions for: pre•con•scious Pronunciation: (prē-kon'shus), [key] — adj. absent from but capable of being readily brought into consciousness. occurring prior to the development of consciousness. —n. the preconscious portion of the mind; foreconscious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. preconquest preconsonantal Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language