/ Dictionary / Index S stepfamily: Meaning and Definition of Find definitions for: step•fam•i•ly Pronunciation: (step'fam"u-lē, -fam"lē), [key] — pl. -lies. a family composed of a parent, a stepparent, and a child or children by a previous marriage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. step-down stepfather Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language