upstairs

Up the stairs.

To or on a higher floor.

To or at a higher level.

Of or located on an upper floor.

The part of a building above the ground floor.

In or to an upper story: as, to go up-stairs.

Pertaining or relating to an upper story or flat; being above stairs: as, an up-stairs room.

An upper story; that part of a building which is above the ground floor.

Being above stairs.

Up the stairs; in or toward an upper story.