retrogressive

adjective
🔊/ˌretrəˈɡresɪv/
🔊/ˌretrəˈɡresɪv/
(formal, disapproving)
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  1. returning to old-fashioned ideas or methods instead of making progress倒退的;退化的
    • a retrogressive change倒退的变化
    opposite progressive
    Word Originmid 17th cent.: from retro- ‘backwards’, on the pattern of progression.