Jisho

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Noun, Suru verb, No-adjective
1. reverse movement; retrogression; going backwards; moving in the wrong direction; running counter to (e.g. the laws of nature); running against (e.g. the tide of the times)Antonym: 順行
2. retrogradation; retrogressionAstronomy, etc. term
Wikipedia definition
3. Retrograde
Other forms
逆行 【ぎゃくこう】

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