WordGarden.ioindoor
A2Pronunciation
UK
- /ˈɪndɔː/
US
- /ˈɪnˌdɔr/
Meanings
Adjective
located, happening, or used inside a building
Beyond the definition
"Indoor" describes anything that happens inside an enclosed space, usually a building. Think of quiet indoor evenings during a storm, or the difference between indoor and outdoor plants. It is about being under a roof and away from wind, rain, or cold. The opposite is outdoor. You might have indoor hobbies like painting, or indoor pets like cats that stay in the house.
Sometimes "indoor" also describes things made for use inside. An indoor swimming pool, for example, is built inside a building rather than outside in the open air.
The word "indoor" refers to something that is located, happens, or is used inside an enclosed space, usually a building. It describes a protected environment that is separate from the open air and the weather outside. For example: "After a long day of hiking, all I wanted was to relax in an indoor space with a good book."
"Indoor" isn't just about physical spaces; it can also describe activities or lifestyles. We talk about indoor games (like board games), indoor sports (basketball played in a gym), and even an indoor voice (a quiet tone used inside).
The concept of "indoor" is often contrasted with "outdoor." While outdoor activities happen in the open, indoor ones offer shelter, comfort, and more control over the environment. We use the word for daily life at home, for school and work, and for places made for exercise, entertainment, or rest.
You'll also encounter "indoor" used as an adjective describing items specifically designed for use inside: an indoor bicycle trainer allows you to cycle without leaving your house, while an indoor garden brings a touch of nature into your living space.
So whether it's the comfort of your home, the excitement of an arena, or simply a preference for staying sheltered—indoor defines everything that happens within the walls around us.
Examples
- 1
Hotel amenity
The hotel has an indoor pool, so guests can swim all year.
- 2
Rainy days
On rainy weekends, the kids need a few indoor activities to keep them busy.
- 3
Houseplants
This plant grows well in bright light, so it's a good indoor plant.
- 4
Restaurant seating
The restaurant added more indoor seating for the winter.
More examplesFewer examples
- 5
Pets
She's had indoor cats for years, so they get nervous outside.
- Phraseindoor cats
cats that live mainly inside the house
- 6
Polite request
Use your indoor voice, please.
- Phraseindoor voice
a quiet voice for speaking inside
See also
Forms and spellings
1 form open this card.
Main spelling
- indooradjective