an analysis or summary of something by a knowledgeable person

he gave his teammates a rundown on the opposition

a reduction in the productivity or activities of a company or institution

a rundown in the business would be a devastating blow to the local economy

(especially of a building or area) in a poor or neglected state after having been prosperous

a run-down Edwardian villa

tired and rather unwell, especially through overwork

she felt tired and generally run-down