/ Dictionary / Index G Gustavus VI: Meaning and Definition of Find definitions for: Gustavus VI Pronunciation: [key] (Gustaf Adolf&hasp;) 1882–1973, king of Sweden 1950–73 (son of Gustavus V). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gustavus V gusto Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language