Definition: [noun] the external side or surface of something.
Example: record the date on the outside of the file
Definition: [noun] the external appearance of someone or something.
Example: was he as straight as he appeared on the outside ?
Definition: [adjective] situated on or near the exterior or external surface of something.
Example: Anne put the outside lights on
Definition: [adjective] not belonging to or coming from within a particular group.
Example: the use of outside contractors will speed up the process
Definition: [preposition] situated or moving beyond the boundaries or confines of.
Example: there was a boy outside the door
Definition: [preposition] beyond the limits or scope of.
Example: the switchboard is not staffed outside normal office hours
Definition: [adverb] not within the boundaries or confines of a place.
Example: the dog was still barking outside