intr.v. ret·ro·gressed, ret·ro·gress·ing, ret·ro·gress·es 1. To return to an earlier, inferior, or less complex condition. 2. To go or move backward. [Latin retrōgradī, *retrōgress- : retrō-, retro- + gradī, to go; see ghredh- in the Appendix of Indo-European roots.] ret′ro·gression (-grĕshən) adj. ret′ro·gressive adj. re′tro·gressive·ly adv. |
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