/ Dictionary / Index G Gustavo A. Madero: Meaning and Definition of Find definitions for: Gus•ta•vo A. Ma•de•ro Pronunciation: (gs-tä'vô ä' mä-e'rô), [key] official name of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gustave Gustavus Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language