Regression - Definition

n 1: an abnormal state in which development has stopped
prematurely [syn: arrested development, fixation,
infantile fixation, regression]
2: (psychiatry) a defense mechanism in which you flee from
reality by assuming a more infantile state
3: 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) [syn: regression, simple
regression, regression toward the mean, statistical
regression]
4: returning to a former state [syn: regression, regress,
reversion, retrogression, retroversion]