attrit /əˈtɹɪt/verb 4noun 1forms 5 verb4 •To wear down through attrition, especially mechanical attrition.[…] pebbles of vast size, or blocks of stone, attrited by water to smoothness, conjoined by a cement of mud. — 1858 •To be reduced in quantity through attrition.The interference theory of second language loss holds that forgetting is actually interference between the attriting language and the language replacing it. — 2001 •To lose, or to kill, troops by attrition due to sustained firepower.The primary objective is to attrit the units sufficiently so that they cannot close with the units in contact. — 2001 •To engage in attrition; to quit or drop out.the relatives who had been helping slipped away as I grew older, attriting for various reasons that all amounted to the same reason. — 1997 noun1 •One who voluntarily or involuntarily leaves a company; a termed employee. formsattrited · attritted · attriting · attritting · attrits