/ Dictionary / Index S stepfather: Meaning and Definition of Find definitions for: step•fa•ther Pronunciation: (step'fä"ur), [key] — n. the husband of one's mother by a later marriage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stepfather (Thesaurus) stepfamily step function 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