attrit Syllabification: (at·trit)Pronunciation: /əˈtrit/Definition of attrit verb (attrits, attritting, attritted) [with object] informal wear down (an opponent or enemy) by sustained action:his defense was designed to attrit usOrigin: 1950s: back-formation from attritionattrit in other Oxford dictionaries Definition of attrit in the British & World English dictionary