rhizoverbBeta
DictionaryindoorInside a building
adjective

indoor

IN-dor/ˈɪndɔːr/

Located or taking place inside a building.

The community center offers indoor activities on cold winter days.

Children playing a board game inside a warm room while rain falls outside the closed window, varied ethnicities.
Etymology
inEnglishinside
+doorEnglishentrance to a building

“Within door” places something on the inside of a building’s entrance. The door thus marks the boundary between interior and exterior, giving the adjective its sense of happening or belonging inside.

In context

Architectural Harvest2:05
provide a beautiful transition between indoor and outdoor living
Discover the Timeless Beauty of Hacienda Architecture: A Journey Through History and Design

More examples

  • We swim in an indoor pool all year.
  • These indoor plants need plenty of sunlight.
  • The restaurant has both indoor and outdoor seating.

Forms

indoor

indoors adverb — Inside a building rather than outside.

Similar words

inside
Can describe a position within things other than buildings.
interior
Usually describes a building's inner parts rather than activities.