/ Dictionary / Index S silent auction: Meaning and Definition of Find definitions for: si'lent auc'tion Pronunciation: [key] an auction at which previously submitted written bids of prospective buyers are opened and compared, with each item being sold to the highest bidder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. silent alarm silent barter Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language