Definitions
1.adjectiveDirected backwards, retreating; reverting, especially to an inferior state, declining; inverse, reverse; movement opposite to normal or intended motion, often circular motion."retrograde ideas, morals, etc."
2.adjectiveCounterproductive to a desired outcome.
3.adjective(of a body orbiting another) In the opposite direction to the orbited body's spin.
4.adjectiveDescribing a metamorphic change resulting from a decreasing pressure or temperature.
5.adjective(by extension, of a person) A person who opposes social reforms, favoring the maintenance of the status quo, conservative.