/ Dictionary / Index G gump: Meaning and Definition of Find definitions for: gump Pronunciation: (gump), [key] — n. Dial. a foolish or stupid person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gum myrtle gum plant Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language