DictionaryregressReturn to a worse state
verb / noun

regress

ri-GRESS/rɪˈɡres/

A return to an earlier or less developed state.

After walking independently, the woman regresses to needing the walker.

A three-stage rehabilitation sequence shows the same older woman walking with a walker, then walking independently, then needing the walker again.
Etymology

The pieces express 'stepping back.' That image of backward movement also describes returning to a former condition, including an earlier stage of development rather than an earlier physical location.

In context

Sam Vaknin's Musings: Geopolitics and Economics24:14
we are incentivized as individuals to regress to childhood because children are much more creative and imagine and imaginative than adults.
Deranged Children: Future of Humanity (Neoteny and Schizotypy)

More examples

  • The patient’s progress regressed during the difficult period.
  • The discussion regressed into personal accusations.
  • The report described a regress to earlier habits.

Forms

regress · regresses · regressed · regressing

regression noun — a return to an earlier or less developed state

Similar words

revert
Revert means return to an earlier condition; regress often implies losing progress or development.
deteriorate
Deteriorate means become worse; regress specifically moves toward a former or less developed state.