/ Dictionary / Index S soul sister: Meaning and Definition of Find definitions for: soul' sis"ter Pronunciation: [key] — Informal. Informal. a black female, esp. a fellow black female. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. soul-searching Soult Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language