/ Dictionary / Index R req.: Meaning and Definition of Find definitions for: req. Pronunciation: [key] require. required. requisition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reputedly request Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language