do for \ˈdüfə(r), -ˌfȯ...\transitive verb 1.: to attend to the wants and needs of : take care of; especially: to act as the domestic servant of < during her illness she was done for by a neighbor > 2.: to bring about the death or ruin of : destroy, kill < a gash in the side of the helmet which would have done for a man of lesser breed — Richard Joseph >