preposition

 

near not in a particular building or room, but near it

She waited outside his room for nearly two hours.

 

not in not in

a flat just outside Blackpool

 

adverb

 

not inside not inside a building

Go and play outside for a while.

 

near not in a particular building or room, but near it

She knocked on his bedroom door and left the tray outside.

 

adjective

 

not inside not in a building

an outside light

 

different from a different organization or group of people

outside help