vi to go in a retrograde direction; to move, or appear to move, backward, as a planet.
2. retrograde ·vi hence, to decline from a better to a worse condition, as in morals or intelligence.
3. retrograde ·adj declining from a better to a worse state; as, a retrograde people; retrograde ideas, morals, ·etc.
4. retrograde ·adj apparently moving backward, and contrary to the succession of the signs, that is, from east to west, as a planet.
5. retrograde ·adj tending or moving backward; having a backward course; contrary; as, a retrograde motion;
opposed to progressive.