/ Dictionary / Index P prepose: Meaning and Definition of Find definitions for: pre•pose Pronunciation: (prē-pōz'), [key] — -posed, -pos•ing. to place (a grammatical form) before a related grammatical form: The adverb “out” of “put the light out” is preposed in “put out the light.” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prepose (Thesaurus) preportion preposition Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language