From one end to the other: the overall length of the house. Including everything; comprehensive: the overall costs of medical care. Regarded as a whole; general: My overall impression was favorable. On the whole; generally: enjoyed the performance overall. Chiefly British A loose-fitting protective outer garment; a smock. Loose-fitting trousers, usually of strong fabric, with a bib front and shoulder straps, often worn over regular clothing as protection from dirt.