retrograde - verb

• move backward in an orbit, of celestial bodies
• move in a direction contrary to the usual one
• move back
• go back over
• get worse or fall back to a previous condition

retrograde - adjective

• moving from east to west on the celestial sphere; or--for planets--around the sun in a direction opposite to that of the Earth
• of amnesia; affecting time immediately preceding trauma
• going from better to worse
• moving or directed or tending in a backward direction or contrary to a previous direction

retrograde - thesaurus

regress   rehash   retral   retreat   retrogress   retrogressive