outside.

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.

The furthest limit, as to number, quantity, extent, etc.

It may last a week at the outside.

The part of a road towards the central division: towards the right if one drives on the left, or towards the left if one drives on the right.

On a motorway, you should always overtake other vehicles on the outside.

The side of a curved road, racetrack etc. that has the longer arc length; the side of a racetrack furthest from the interior of the course or some other point of reference.

On the final bend, the second-place car tried to go around the outside of the leader but spun off into the barrier.

The outer part of the sea, away from the peak of a wave.

A passenger riding on the outside of a coach or carriage.

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.

Originating from, arranged by, or being someone outside an organization, group, etc.

The Board did not trust outside information about their rivals.

Extending or going beyond the borders or scope of an organization, group, etc.

Away (far) from the batter as it crosses home plate.

The first pitch is ... just a bit outside.

Reaching the extreme or farthest limit, as to extent, quantity, etc; maximum.

an outside estimate

Positioned towards the central division of a road: towards the right-hand side if one drives on the left, or left-hand side if one drives on the right.

the outside lane of the motorway

Positioned towards the shoulder of a road: towards the left-hand side if one drives on the left, or right-hand side if one drives on the right.

the outside lane of the highway

Not legally married to or related to (e.g. not born in wedlock to), and/or not residing with, a specified other person (parent, child, or partner); (of a marriage, relationship, etc) existing between two such people. (Compare out of wedlock, nonresidential.)

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.

Residents of the city rarely ventured outside.

To or in the outdoors or outside; to or in an area that is beyond the scope, limits, or borders of a given place. Not in prison.

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

Outdoors.

I slept outside last night.

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

Beyond the scope, limits, or borders of.

Near, but not in.

Except, apart from.

Outside of winning the lottery, the only way to succeed is through many years of hard work.

To ostracize or exclude.