retrograde

A movement backwards or opposite to the intended or normal motion.

(astrology) The apparent movement of a planet across the sky in the opposite direction from its ordinary movement.

One who opposes social reform, favouring the maintenance of the status quo; a conservative.

(archaic) One who reneges on an agreement, or switches loyalties; a rebel, a renegade.

(music) The reversal of a melody so that what is played first in the original melody is played last, and what is played last in the original melody is played first.