/ Dictionary / Index S Simple Simon: Meaning and Definition of Find definitions for: Sim'ple Si'mon Pronunciation: [key] a simpleton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. simple sentence simple sugar Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language