/ Dictionary / Index I informatory double: Meaning and Definition of Find definitions for: inform'atory dou"ble Pronunciation: [key] — Bridge. Bridge. a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand. Also calledCf. business double. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. informative informed Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language