/ Dictionary / Index P pros and cons: Meaning and Definition of Find definitions for: pros' and cons' Pronunciation: [key] the favorable and the unfavorable factors or reasons; advantages and disadvantages. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prosaist prosateur Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language