The definition of retrograde is something that is a move backwards or a decline in condition or quality.(adjective)
When a new technology comes out that is actually a step backward and worse than the technology before it, this is an example of something that would be described as retrograde.
Retrograde is to move backwards, or to decline to a prior worse condition.(verb)
If you had begun to feel better but then your condition worsens to where it was a few weeks ago, this is an example of when it retrogrades.
See retrograde in Webster's New World College Dictionary
Origin: ME < L retrogradus < retrogradi, to go backward: see retro- & grade
See retrograde in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Latin retrōgradus
Origin: , from retrōgradī, to go back
Origin: : retrō-, retro-
Origin: + -gradus, walking (from gradī, to go; see ghredh- in Indo-European roots).
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