/ Dictionary / Index S support system: Meaning and Definition of Find definitions for: support' sys"tem Pronunciation: [key] people who provide support: a family support system to help a troubled youth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. support price supposal 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