/ Dictionary / Index D Donnybrook Fair: Meaning and Definition of Find definitions for: Don'ny•brook Fair' Pronunciation: (don'ē-brook"), [key] a fair which until 1855 was held annually at Donnybrook, County Dublin, Ireland, and which was famous for rioting and dissipation. donnybrook. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. donnybrook donor Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language