The part of something that faces out; the outer surface.

“He's repainting the outside of his house.”

The external appearance of someone or something.

“Her outside was stern, but inside was a heart of gold.”

The space beyond some limit or boundary.

“Viewed from the outside, the building seemed unremarkable.”

Of or pertaining to the outer surface, limit or boundary.

“The outside surface looks good.”

Of, pertaining to or originating from beyond the outer surface, limit or boundary.

Away from the interior or center of something.

To or in the outdoors or outside; to or in an area that is beyond the scope, limits or borders of a given place.

“I am going outside.”

Outdoors.

“I slept outside last night.”

On the outside of, not inside (something, such as a building).

Beyond the scope, limits or borders of.

“tourists from outside the country”

Near, but not in.