/ Dictionary / Index R Robert I: Meaning and Definition of Find definitions for: Robert I Pronunciation: [key] (“Robert the Devil”) died 1035, duke of Normandy 1028–35 (father of William I of England). Also called1274–1329, king of Scotland 1306–29. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Robert Roberta 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