outside

noun:the external surface or outer part of something
- The outside of the box was covered in labels.
noun:the open air beyond the confines of a building
- After staying indoors, the outside felt wonderfully cool.
- She opened the window to enjoy the fresh air from the outside.
adjective:not belonging to a particular group, organization, or system; external
- We brought in an outside consultant to review the process.
adverb:in or to the open air; outdoors
- Let's sit outside for lunch.
preposition:beyond the boundary or limits of
- The clinic is outside the city center.