/ Dictionary / Index R rile: Meaning and Definition of Find definitions for: rile Pronunciation: (rīl), [key] — riled, ril•ing. to irritate or vex. to roil (water or the like). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rile (Thesaurus) Riksmål riley Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language