retrograde

Sense 1 verb

move backward in an orbit, of celestial bodies

Sense 2 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

Sense 3 verb

move in a direction contrary to the usual one

retrograding planets

Sense 4 adjective

of amnesia; affecting time immediately preceding trauma

Sense 5 verb

move back

The glacier retrogrades

Sense 6 adjective

going from better to worse

Sense 7 verb

go back over

retrograde arguments

Sense 8 adjective

moving or directed or tending in a backward direction or contrary to a previous direction

Sense 9 verb

get worse or fall back to a previous condition