| Answer | Crossword Clue |
|---|---|
| regressive | Becoming less advanced; returning to a former or less developed state |
| regress | Return to a former or less developed state |
| regressing | Return to a former or less developed state |
| regresses | Return to a former or less developed state |
| regressed | Return to a former or less developed state |
| regressions | A return to a former or less developed state |
| regression | A return to a former or less developed state |
