/ Dictionary / Index L life of Riley: Meaning and Definition of Find definitions for: life' of Ri'ley Pronunciation: [key] — Informal. Informal. a carefree, comfortable, and thoroughly enjoyable way of living: Since winning the lottery, he's led the life of Riley. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. life net Life of Samuel Johnson, The* Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language