Use the words "indoor" or "indoors" when talking about the inside of a house or a building.

  • People go indoors when it starts to rain. (The word "indoors" is a noun.)
  • Children play indoor games if they can’t be outside. (The word "indoor" is an adjective.")
  • The opposite of indoors is outdoors.
  • My friend, Wilson, spends a lot of time indoors.
  • He has an indoor pool in his house.
  • Many hotels have an indoor swimming pool.
  • Bowling is an indoor game.
  • It’s played indoors.
  • I hate being indoors all day. I like to be outdoors.

indoor activity

People who work in an office spend a lot of time indoors.

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Date of publication: October 12, 2016