indoors
- indoor
‘indoors’
Indoors is an adverb. If you go indoors, you go into a building.
It started to rain, so we went indoors.
If something happens indoors, it happens inside a building.
The children were playing indoors.
‘indoor’
Indoor is an adjective used in front of a noun. You use it to describe objects or activities that exist or happen inside a building.
The hotel has an indoor swimming pool.
We'll think of some indoor games to play if it's wet.