Anagrams of: RETROGRADATION

• a questioner who is excessively harsh

• a decrease in rate of change

• the extent to which something is delayed or held back

• any agent that retards or delays or hinders

• lack of normal development of intellectual capacities

• the act of slowing down or falling behind

• One who denigrates.

• a communication that belittles somebody or something

• (law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law

• someone who negotiates (confers with others in order to reach a settlement)

• a measuring instrument for measuring the area of an irregular plane figure

• relative position in a graded series

• a degree of ablaut

• the act of arranging in grades

• a writer (especially a playwright) who writes tragedies

• an actor who specializes in tragic roles

• an instrument of execution for execution by strangulation

• strangle with an iron collar