ret·ro·gres·sive

[re-truh-gres-iv]
adjective
characterized by retrogression; degenerating.

Origin:
1795–1805; < Latin retrōgress(us) (see retrogress) + -ive

ret·ro·gres·sive·ly, adverb
un·ret·ro·gres·sive, adjective
un·ret·ro·gres·sive·ly, adverb


backward.


progressive.
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World English Dictionary
retrogress (ˌrɛtrəʊˈɡrɛs) [Click for IPA pronunciation guide]
 
vb
1.  to go back to an earlier, esp worse, condition; degenerate or deteriorate
2.  to move backwards; recede
3.  biology to develop characteristics or features of lower or simpler organisms; degenerate
 
[C19: from Latin retrōgressus having moved backwards, from retrōgradī; see retrograde]
 
retro'gression
 
n
 
retro'gressive
 
adj
 
retro'gressively
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Retrogressive is always a great word to know.
So is ort. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a scrap or morsel of food left at a meal.
Example sentences
We have concluded that there would be retrogression intentionally or that the
  effect would be retrogressive.
Once all the available hydrogen is used, retrogressive reactions will set in,
  leading to coke formation.
Select areas of the granulite facies metamorphic terrane that have been
  affected by greenschist facies retrogressive metamorphism.
Amphibolite facies retrogressive metamorphism resulted in hypersthene
  replacement by amphiboles.
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