/ Dictionary / Index G griffo: Meaning and Definition of Find definitions for: grif•fo Pronunciation: (grē'fō), [key] — n. Slang. griefo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Griffith griffon 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