Definition

1. Adjective:

   • Moving backward or in a reverse direction: Describes motion opposite to a usual or forward direction.
   • Reverting to an earlier, worse state: Describes a decline or deterioration in condition, quality, or development.
   • Opposite to the usual direction: In astronomy, describes the apparent westward motion of a planet against the stars, or orbital motion opposite to that of most bodies in a system.

2. Verb:

   • To move or seem to move backward: To go in a reverse direction.
   • To decline or revert to a worse state: To deteriorate or degenerate.
   • To go back over: To review or reconsider something from the end to the beginning.

Examples of Usage

• Adjective:

  • The general ordered a retrograde movement of the troops. (Moving backward)
  • The new policies were seen as a retrograde step for social equality. (Reverting to a worse state)
  • Astronomers observed the planet's retrograde motion. (Moving opposite to the usual direction)

• Verb:

  • The patient's health began to retrograde after the initial improvement. (To decline)
  • The film retrograded the sequence of events to build suspense. (To go back over)
  • From Earth, Mars appears to retrograde in its orbit periodically. (To move backward)

Advanced Usage

• "In retrograde": A phrase often used to describe something moving backward or operating in reverse.
  • The investigation seemed to be in retrograde, uncovering no new leads.
• "Retrograde amnesia": A specific type of memory loss where the person cannot recall events that occurred the trauma.
  • The accident caused him to suffer from retrograde amnesia.

Variants and Related Words

• Retrogradation (n): The process or act of moving backward or deteriorating.
  • The retrogradation of the glacier was carefully documented.
• Retrogressive (adj): Similar to "retrograde," meaning tending to move backward or revert to a worse state.
  • The law was criticized as a retrogressive measure.

Synonyms

• Adjective: Backward, reverse, declining, deteriorating, degenerative, regressive.
• Verb: Recede, regress, decline, deteriorate, backslide, reverse.

Related Phrases

• Retrograde analysis: A method of reasoning, often used in chess puzzles, that works backward from a known outcome to determine the preceding moves.
  • Solving the chess endgame required retrograde analysis.

Adjective

1. moving or directed or tending in a backward direction or contrary to a previous direction
2. going from better to worse
3. of amnesia; affecting time immediately preceding trauma
4. moving from east to west on the celestial sphere; or--for planets--around the sun in a direction opposite to that of the Earth

Verb

1. get worse or fall back to a previous condition
2. go back over
   • retrograde arguments
3. move back
   • The glacier retrogrades
4. move in a direction contrary to the usual one
   • retrograding planets
5. move backward in an orbit, of celestial bodies