/ Dictionary / Index G Guinness: Meaning and Definition of Find definitions for: Guin•ness Pronunciation: (gin'is), [key] born 1914, English actor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: guinness (Thesaurus) Guinevere guipure Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language