Verbs

(v)retrogrademove backward in an orbit, of celestial bodies
(v)retrogrademove in a direction contrary to the usual one“retrograding planets”
(v)retrograde, retreatmove back“The glacier retrogrades”
(v)retrograde, rehash, hash overgo back over“retrograde arguments”
(v)regress, retrograde, retrogressget worse or fall back to a previous condition

Adjectives

(a)retrogrademoving from east to west on the celestial sphere; or — for planets — around the sun in a direction opposite to that of the Earth
(a)retrogradeof amnesia; affecting time immediately preceding trauma
(s)retrograde, retrogressivegoing from better to worse
(s)retral, retrogrademoving or directed or tending in a backward direction or contrary to a previous direction