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WordReference Random House Unabridged Dictionary of American English © 2024ret•ro•gres•sion (re′trə gresh′ən),USA pronunciation n. - the act of retrogressing;
movement backward. - Developmental Biology, Pathology[Biol.]degeneration;
retrograde metamorphosis;
passing from a more complex to a simpler structure.
- Latin retrōgress(us) (see retrogress) + -ion
- 1640–50
WordReference Random House Learner's Dictionary of American English © 2024ret•ro•gress /ˌrɛtrəˈgrɛs, ˈrɛtrəˌgrɛs/USA pronunciation v. [no object]- Psychiatryto go backward:Society retrogressed as learning stagnated.
ret•ro•gres•sion /ˌrɛtrəˈgrɛʃən/USA pronunciation n. [uncountable]See -gress-. WordReference Random House Unabridged Dictionary of American English © 2024ret•ro•gress (re′trə gres′, re′trə gres′),USA pronunciation v.i. - Psychiatryto go backward into an earlier and usually worse condition:to retrogress to infantilism.
- to move backward.
- Latin retrōgressus past participle of retrōgradī to go back or backward, equivalent. to retrō- retro- + gred-, combining form of gradī to step, go (see grade) + -tus past participle suffix, with dtss
- 1810–20
- 1.See corresponding entry in Unabridged decline, degenerate, retrograde, withdraw, retreat, revert.
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