/ Dictionary / Index S subcompact: Meaning and Definition of Find definitions for: sub•com•pact Pronunciation: (sub-kom'pakt), [key] — n. an automobile that is smaller than a compact. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subcompact (Thesaurus) subcommunity subcompany Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language