indoor
gb/ˈɪndˌɔɹ/ us/ˈɪndˌɔɹ/
A2
English
~ 4900
Senses
0 senses
adjective
A2
property
1
happening or used inside a building
Happening or used inside a building, not outside.
Usage pattern:
[indoor] [activity/event/object]
Common mistake:
Learners sometimes confuse 'indoor' with 'indoors'. 'Indoor' is used before a noun (e.g., indoor pool), while 'indoors' is used as an adverb (e.g., stay indoors).
Synonyms
interior (Refers more generally to the inside part of something, not specifically activities or events.)
|
inside (A more informal and general term meaning within an enclosed space.)
Antonyms
outdoor (Refers to being outside or happening in open air.)
Collocations
indoor activities
|indoor sports
|indoor plants
|indoor lighting
|indoor temperature
Themes
daily life
|sports
|housing
|core_vocabulary
Examples
- We decided to play an indoor game because it was raining.
- The hotel offers a large indoor swimming pool.
- Indoor plants can improve air quality.
- The conference will be held in an indoor venue.
- They prefer indoor training during the winter months.
Learner examples
- We had an indoor party.
- The school has an indoor gym.
- It is too cold, so we will stay indoor.
- My mother grows indoor flowers.
- There is an indoor market near my home.
Grammar
Dictionary form
indoor
IPA
GB/ˈɪndˌɔɹ/
US/ˈɪndˌɔɹ/
Syllables & stress
in - door (2 syllables)
Stress on 1st syllable (in)
Word forms
Adjective
- Base: indoor
Word family
Expressions
indoor activities
1/ˈɪndˌɔɹ æktˈɪvɪtiz/
fixed phrase
activities done indoors
Things you do inside a building, not outside.
Examples
- On rainy days, the camp offers many indoor activities.
- Indoor activities include board games and crafts.
indoor lighting
1/ˈɪndˌɔɹ lˈaɪtɪŋ/
fixed phrase
lighting inside buildings
Artificial lights used inside a building.
Examples
- We need to improve the indoor lighting in the living room.
- Good indoor lighting can make a room feel bigger.
indoor sports
1/ˈɪndˌɔɹ spˈɔɹts/
fixed phrase
sports played indoors
Sports that are played inside a building.
Examples
- Badminton and table tennis are popular indoor sports.
- During winter, they focus on indoor sports like basketball.
indoor swimming pool
1/ˈɪndˌɔɹ swˈɪmɪŋ pˈul/
fixed phrase
a pool inside a building
A swimming pool that is inside a building.
Examples
- The hotel has an indoor swimming pool for guests.
- She swims every day in the indoor swimming pool at the gym.
indoor temperature
1/ˈɪndˌɔɹ tˈɛmpɚɪt͡ʃɚ/
fixed phrase
temperature inside buildings
How warm or cold it is inside a building.
Examples
- The indoor temperature should be kept at 22°C for comfort.
- They installed a system to control the indoor temperature.