reverse

The opposite of something.

"We believed the Chinese weren't ready for us. In fact, the reverse was true."

The act of going backwards; a reversal.

A piece of misfortune; a setback.

To turn something around so that it faces the opposite direction or runs in the opposite sequence.

"to reverse a portion of video footage"

To turn something inside out or upside down.

To transpose the positions of two things.

Opposite, contrary; going in the opposite direction.

"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."

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

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