outside
gb/aʊtsˈaɪd/ us/aʊtsˈaɪd/
A1
English
~ 2400
Senses
0 senses
preposition
A1
relation
1
Not inside a place or object
Not in a building, room, or other space; in the open air or beyond something's edge.
Usage pattern:
[someone/something] outside [something]
Common mistake:
Learners sometimes confuse 'outside' with 'out' — 'outside' usually indicates location relative to something, while 'out' can mean movement away from inside.
Synonyms
beyond (Implies being further away from a limit or boundary, sometimes at a greater distance.)
Antonyms
inside (Refers to being within the limits or interior of something.)
Collocations
outside the house
|outside the building
|outside the city
Themes
daily life
|location
|travel
|space
|core_vocabulary
Examples
- She waited outside the restaurant for her friends.
- The children are playing outside the school.
- A cat was sitting outside the window.
- We stood outside the stadium before the game started.
Learner examples
- I am outside the house.
- The dog is outside the door.
- They stand outside the shop.
adverb
A1
relation
2
In the open air or exterior
In a place that is not inside; in the open air.
Common mistake:
Learners may confuse 'outside' as an adverb with 'out' — 'go outside' is more specific than just 'go out'.
Synonyms
outdoors (Specifically refers to being in nature or open air, often for recreation.)
Antonyms
indoors (Refers to being within a building or enclosed space.)
Collocations
go outside
|stay outside
|play outside
Themes
daily life
|weather
|space
|core_vocabulary
Examples
- It's too cold to go outside today.
- She stepped outside to get some fresh air.
- They were waiting outside when I arrived.
Learner examples
- I go outside to play.
- He waits outside for me.
- We eat outside in summer.
Noun
A2
entity
3
External surface or outer area
The outer part of something; the part you can see from the street or from outside.
Usage pattern:
the outside of [something]
Synonyms
exterior (More formal term, often used in technical or design contexts.)
Antonyms
inside (Refers to the inner part of something.)
Collocations
the outside of the building
|paint the outside
|on the outside
Themes
architecture
|description
|space
|core_vocabulary
Examples
- The outside of the house needs painting.
- From the outside, it looks like a small shop.
- The car looks fine on the outside but has engine problems.
Learner examples
- The outside of my bag is red.
- We clean the outside of the window.
- The house is white on the outside.
adjective
A2
property
4
On exterior or beyond limits
On or at the outer part of something; not inside.
Synonyms
external (More formal; often used in technical contexts.)
Antonyms
interior (Refers to the inner part of something.)
Collocations
outside wall
|outside door
|outside area
Themes
location
|space
|core_vocabulary
Examples
- The outside walls are painted blue.
- Use the outside lane for overtaking.
- We have seating in the outside area.
Learner examples
- The outside door is open.
- We sit in the outside garden.
- This is the outside road.
adverb
B1
relation
5
Beyond normal range or limit
Not within a certain group, limit, or rule.
Synonyms
beyond (Similar meaning but more general for distance or scope.)
Antonyms
within (Indicates being inside a limit or range.)
Collocations
outside normal hours
|outside budget limits
Themes
rules
|measurement
|core_vocabulary
Examples
- This issue falls outside my area of expertise.
- The shop is open outside regular hours during holidays.
- Such behavior is outside acceptable limits.
Learner examples
- This problem is outside my job.
- We work outside normal time.
- That is outside our plan.
Grammar
Dictionary form
outside
IPA
GB/aʊtsˈaɪd/
US/aʊtsˈaɪd/
Syllables & stress
out - side (2 syllables)
Stress on 2nd syllable (side)
Word forms
Adjective
- Base: outside
Noun
- Base: outside
- Plural: outsides
Word family
Expressions
come in from the outside
1/kˈʌm ˈɪn fɹˈʌm ðə aʊtsˈaɪd/
fixed phrase
Enter from an exterior location
To move into a place from being outdoors or away from it.
Examples
- Please come in from the outside before it starts raining.
- He came in from the outside carrying groceries.
on the outside looking in
1/ˈɔn ðə ˈaʊtsaɪd lˈʊkɪŋ ˈɪn/
idiom
Observing without being involved
Watching something happen but not taking part in it.
Examples
- I felt like I was on the outside looking in during their conversation.
- He’s always been on the outside looking in when it comes to office politics.
outside the box
1/aʊtsˈaɪd ðə bˈɑks/
idiom
Think creatively and unconventionally
To think in a different and creative way, not following usual ideas.
Examples
- We need someone who can think outside the box to solve this problem.
- Her design shows she really thinks outside the box.
step outside your comfort zone
1/stˈɛp aʊtsˈaɪd jˈʊɹ kˈʌmfɚt zˈoʊn/
idiom
Do something unfamiliar and challenging
To try something new that feels difficult or uncomfortable at first.
Examples
- You need to step outside your comfort zone to grow professionally.
- She stepped outside her comfort zone by traveling alone.