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retrograde

[ re-truh-greyd ]
/ 藞r蓻 tr蓹藢gre瑟d /
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See synonyms for: retrograde / retrograded / retrogrades / retrograding on Thesaurus.com

adjective
verb (used without object), ret路ro路grad路ed, ret路ro路grad路ing.
verb (used with object), ret路ro路grad路ed, ret路ro路grad路ing.
Archaic. to turn back.

OTHER WORDS FOR retrograde

1 withdrawing, receding.
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Origin of retrograde

First recorded in 1350鈥1400; Middle English (adjective), from Latin retr艒gradus going back, derivative of retr艒grad墨, equivalent to retr艒- retro- + grad墨 鈥渢o step, go鈥; see grade

OTHER WORDS FROM retrograde

ret路ro路grade路ly, adverbret路ro路grad路ing路ly, adverbun路ret路ro路grad路ed, adjectiveun路ret路ro路grad路ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use retrograde in a sentence

British Dictionary definitions for retrograde

retrograde
/ (藞r蓻tr蓹蕣藢伞re瑟d) /

adjective
verb (intr)
to move in a retrograde direction; retrogress
US military another word for retreat (def. 1)

Derived forms of retrograde

retrogradation, nounretrogradely, adverb

Word Origin for retrograde

C14: from Latin retr艒grad墨 to go backwards, from gradi to walk, go
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for retrograde

retrograde
[ r臅tr蓹-gr膩d鈥 ]

adj.
Moving or tending backward.
Opposite to the usual order; inverted or reversed.
Reverting to an earlier or inferior condition.
v.
To move or seem to move backward; recede.
To decline to an inferior state; degenerate.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for retrograde

retrograde
[ r臅tr蓹-gr膩d鈥 ]

Having a rotational or orbital movement that is opposite to the movement of most bodies within a celestial system. In the solar system, retrograde bodies are those that rotate or orbit in a clockwise direction (east to west) when viewed from a vantage point above the Earth's north pole. Venus, Uranus, and Pluto have retrograde rotational movements. No planets in the solar system have retrograde orbital movements, but four of Jupiter's moons exhibit such movement.
Having a brief, regularly occurring, apparently backward movement in the sky as viewed from Earth against the background of fixed stars. Retrograde movement of the planets is caused by the differing orbital velocities of Earth and the body observed. For example, the outer planets normally appear to drift gradually eastward in the sky in relation to the fixed stars; that is, they appear night after night to fall a little farther behind the neighboring stars in their westward passage across the sky. However, at certain times a particular planet appears briefly to speed up and move westward a bit more quickly than the neighboring stars. This happens as Earth, in its faster inner orbit, overtakes and passes the planet in its slower outer orbit; the appearance of moving counter to its usual eastward drift is thus simply the result of perspective as seen from Earth. Compare prograde.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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