/ Dictionary / Index G Gaulish: Meaning and Definition of Find definitions for: Gaul•ish Pronunciation: (gô'lish), [key] — n. the extinct, Celtic language of ancient Gaul. —adj. of or pertaining to ancient Gaul, its inhabitants, or their language. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gauleiter Gaullism Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language