/ Dictionary / Index G Guston: Meaning and Definition of Find definitions for: Gus•ton Pronunciation: (gus'tun), [key] 1912–80, U.S. abstract expressionist painter, born in Canada. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gusto gusty 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