adverb. Up the stairs.

adverb. To or on a higher floor.

adverb. To or at a higher level.

adjective. Of or located on an upper floor.

noun. The part of a building above the ground floor.

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

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

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

adverb. Up the stairs; in or toward an upper story.

adjective. Being above stairs.

adverb. Up the stairs; on a higher floor or level.

adverb. In the brain.

adjective. located higher up a building.

adjective. a pitched ball that is high, and usually outside the strike zone

adverb. with respect to the mind

adverb. on a floor above

adjective. on or of upper floors of a building

noun. the part of a building above the ground floor

"His side also got a lot of roof damage, so his upstairs is a big, fallen-plaster, mess."