/ ˌdaʊnˈsteəz; NAmE -ˈsterz/ adverb , noun
■ adverb
down the stairs; on or to a floor or a house or building lower than the one you are on, especially the one at ground level :
She rushed downstairs and burst into the kitchen.
Wait downstairs in the hall.
OPP upstairs
► down·stairs adjective [ only before noun ]:
a downstairs bathroom
■ noun
[ sing. ] the lower floor of a house or building, especially the one at ground level :
We're painting the downstairs.
OPP upstairs