· move backward in an orbit, of celestial bodies

Hypernym(s): orb, orbit, revolve

· move in a direction contrary to the usual one; "retrograding planets"

Hypernym(s): travel, go, move, locomote

· move back; "The glacier retrogrades"

Synonym(s): retreat

Hypernym(s): withdraw, retreat, pull_away, draw_back, recede, pull_back, retire, move_back

· go back over; "retrograde arguments"

Synonym(s): rehash, hash_over

Hypernym(s): recapitulate, recap

· get worse or fall back to a previous condition

Synonym(s): regress, retrogress

Hypernym(s): worsen, decline

· moving from east to west on the celestial sphere; or--for planets--around the sun in a direction opposite to that of the Earth

Antonym(s): direct

· of amnesia; affecting time immediately preceding trauma

Antonym(s): anterograde

· going from better to worse

Synonym(s): retrogressive

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

Synonym(s): retral