/ Dictionary / Index S subprogram: Meaning and Definition of Find definitions for: sub•pro•gram Pronunciation: (sub'prō"gram, -grum), [key] — n. Computers. procedure (def. 4b). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subprogram (Thesaurus) subprofessional subpurlin Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language