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retrogression

[re-truh-gresh-uh n]
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noun
  1. the act of retrogressing; movement backward.
  2. Biology. degeneration; retrograde metamorphosis; passing from a more complex to a simpler structure.
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Origin of retrogression

1640–50; < Latin retrōgress(us) (see retrogress) + -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

recessionregressionretreatreversethrowbackdeclinedecaydeclinationdecadencedegenerationretroaction

Examples from the Web for retrogression

Historical Examples

  • All societies have had their epochs of progress and of retrogression.

    Diary from November 12, 1862, to October 18, 1863

    Adam Gurowski

  • Yet there are many traces of advance as well as retrogression in the Laws of Plato.

    Laws

    Plato

  • What would the Irish say if Mr. Bull suggested this movement of retrogression?

    Ireland as It Is

    Robert John Buckley (AKA R.J.B.)

  • It was a retrogression—in some measure a return to his earlier form.

  • A reversion to close imperialism would be for her a retrogression.


Word Origin and History for retrogression

n.

1640s, noun of action, formed on model of progression, from Latin retrogressus, past participle of retrogradi "move backward" (see retrograde).

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Online Etymology Dictionary, © 2010 Douglas Harper

retrogression in Medicine

retrogression

(rĕt′rə-grĕshən)
n.
  1. The act or process of deteriorating or declining.
  2. A return to a less complex biological state or stage.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.