(of a person) having to work beyond their capacity or strength

overworked nurses do not have time to adequately prepare patients for discharge

tired, overworked, demoralized staff

used to excess

the strain of overworked muscles

cause (someone) to work beyond their capacity or strength

employers should be aware that overworking their employees comes at a cost

his bodyguards claim they've been overworked and underpaid for years

make excessive use of

we aren't building new refineries so we have overworked our old ones

she had been overworking her muscles during training