indoor

adjectives

located, suited for, or taking place within a building
"indoor activities for a rainy day"; "an indoor pool"
antonym
see also
situated within or suitable for inside a building
"an interior scene"; "interior decoration"; "an interior bathroom without windows"
within doors
"an indoor setting"
is similar to
situated within or suitable for inside a building
"an interior scene"; "interior decoration"; "an interior bathroom without windows"