grating1 Syllabification: (grat·ing)Pronunciation: /ˈgrātiNG/Translate grating | into French | into German | into Italian | into Spanish Definition of grating adjective sounding harsh and unpleasant:her high, grating voice irritating:a smarty-pants tone that I found gratingDerivatives gratingly adverb grating in other Oxford dictionaries Definition of grating in the British & World English dictionary