brash2Pronunciation: /braʃ/Translate brash | into French | into German | into Italian | into Spanish Definition of brash noun [mass noun] 1loose broken rock or ice: [as modifier]:brash ice 2clippings from hedges, shrubs, or other plants: cutting up the timber and burning the brashOrigin: late 18th century: of unknown originbrash in other Oxford dictionaries Definition of brash in the US English dictionary