›to give something or someone too much work: Many companies limit personal downloads so that they don't overload the computer system.We are doing our best in a highly competitive environment with an overloaded staff.
›to put too many things in or on something: The company had overloaded the truck, which was illegal.overload sth with sthHis desk is overloaded with papers and books.
›to put too much electricity through an electrical system: Avoid overloading outlets and extension cords.