ˈinˌ ̷ ̷, ə̇nˈ ̷ ̷ adjective
Etymology: alteration (influenced by English in ) (I) of obsolete English within-door, adjective, from the phrase within door in a building
: of or relating to the interior of a building
an indoor scene
an indoor swimming pool
as
a. : of or relating to something done inside a building
an indoor sport
b. : designed for use indoors
an indoor dress
c. : living inside an institution
indoor paupers
: given within an institution
indoor relief
d. : inclined to stay indoors
Americans have become an indoor people — J.M.Fitch