1. (

• arrested_development ,
• fixation ,
• infantile_fixation ,
• regression

) an abnormal state in which development has stopped prematurely ;

2. (

• regression

) (psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state ;

3. (

• regression ,
• simple_regression ,
• regression_toward_the_mean ,
• statistical_regression

) 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) ;

4. (

• regression ,
• regress ,
• reversion ,
• retrogression ,
• retroversion

) returning to a former state ;