Directed or moving backwards in relation to the normal or previous direction of travel; retreating. / Reverting to an inferior or less developed state; declining, regressing.

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.

(geography) To cause (a land feature such as a coastline or waterfall) to undergo retrogradation, that is, to travel in the direction of the land or upstream due to erosion.

In a reverse direction; backwards.

simple past tense and past participle of retrograde

plural of retrograde

The quality of being retrograde.

(sciences) With a backward motion

present participle of retrograde

Motion in a retrograde manner. / Decline, degradation.