[ˌriːˈɡrɛs], (Verb)

Definitions:
- return to a former or less developed state
(e.g: some children have regressed in basic language and social skills)

- calculate the coefficient or coefficients of regression of (a variable) against or on another variable
(e.g: a model in which C and Y are regressed on the same variables)

- move in a retrograde direction
(e.g: a planet regularly regresses)


Phrases:

Origin:
late Middle English (as a noun): from Latin regressus, from regredi ‘go back, return’, from re- ‘back’ + gradi ‘to walk’

[ˈriːɡrɛs], (Noun)

Definitions:
- the action of returning to a former or less developed state
(e.g: the measure is totally unsuitable for judging the progress or regress of economies over time)

- a series of statements in which a logical procedure is continually reapplied to its own result without approaching a useful conclusion (e.g. defining something in terms of itself)


Phrases:

Origin:
late Middle English (as a noun): from Latin regressus, from regredi ‘go back, return’, from re- ‘back’ + gradi ‘to walk’