/ Dictionary / Index P preconceive: Meaning and Definition of Find definitions for: pre•con•ceive Pronunciation: (prē"kun-sēv'), [key] — -ceived, -ceiv•ing. to form a conception or opinion of beforehand, as before seeing evidence or as a result of previously held prejudice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: preconceive (Thesaurus) precompose preconception Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language