/ Dictionary / Index S Sisler: Meaning and Definition of Find definitions for: Sis•ler Pronunciation: (sis'lur), [key] 1893–1973, U.S. baseball player. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. siskin Sisley Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language