/ Dictionary / Index P prepress: Meaning and Definition of Find definitions for: pre•press Pronunciation: (prē'pres'), [key] — adj. Print. of or pertaining to all operations other than the preparation of the press that are required in preparing a job for printing. (of a proof&hasp;) pulled from a finished plate prior to or in lieu of a press proof. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prepreference preprimary Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language