English to English
noun
- an abnormal state in which development has stopped prematurely
source: WordNet 3.0
- (psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state
source: WordNet 3.0
- the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)
source: WordNet 3.0
- returning to a former state
source: WordNet 3.0
- The act of passing back or returning; retrogression; retrogradation.
source: Webster 1913