A degenerate person.
move backward in an orbit, of celestial bodies
get worse or fall back to a previous condition
To move backwards; to recede; to retire; to decline; to revert.
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
Directed backwards, retreating; reverting, especially to an inferior state, declining; inverse, reverse; movement opposite to normal or intended motion, often circular motion.