/ Dictionary / Index G Gustavus: Meaning and Definition of Find definitions for: Gus•ta•vus Pronunciation: (gu-stā'vus, -stä'-), [key] — n. a male given name, Latinized form of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gustavus (Thesaurus) Gustavo A. Madero Gustavus I Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language