downstair

/ˈdaʊnˌstɛr/
adjective
  1. Located on a lower floor of a building, especially the floor at ground level or below.
    • The downstair bathroom is smaller than the one upstairs.
    • We keep the winter coats in the downstair closet.
    • The downstair apartment has a private entrance.
Antonyms
What does "downstair" mean? | whatsthatwordmean | whatsthatwordmean