reverse

Opposite, contrary; going in the opposite direction.

We ate the meal in reverse order, starting with dessert and ending with the starter.

The mirror showed us a reverse view of the scene.

Pertaining to engines, vehicle movement etc. moving in a direction opposite to the usual direction.

He selected reverse gear.

To be in the non-default position; to be set for the lesser-used route.

Turned upside down; greatly disturbed.

Reversed.

a reverse shell

In a reverse way or direction; in reverse; upside-down.

The man was killed to feed his image fat / Within this pictured world that ran reverse, / Where miracles alone were ever plain.

The opposite of something.

Division is the reverse of multiplication.

The Sun doesn't orbit the Earth—quite the reverse, in fact.

The act of going backwards; a reversal.

By a reverse of fortune, Stephen becomes rich.

A piece of misfortune; a setback.

And the cold truth such sad reverse did seem As to awake in grief from some delightful dream.

Simon Forman was notorious in his day, and was a many of many reverses.

The tails side of a coin, or the side of a medal or badge that is opposite the obverse.

The side of something facing away from a viewer, or from what is considered the front; the other side.