retrograde
adjective
moving backward; having a backward motion or direction; retiring or retreating.
will have retrograded
-
future perfectof retrograde.future perfect
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
After a month Mars will be at M′ and the earth at E′, so that in its apparent motion Mars will have retrograded to M2.
From Astronomical Lore in Chaucer by Florence M. Grimm
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