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regressive (EN)
adjective

adjective “regressive”

base form regressive (more/most)
  1. going back to an earlier or less advanced state
    The town's regressive attitudes slowed its progress.
  2. (of a tax) taking a larger percentage from poorer people
    A regressive tax affects low-income families more than wealthy ones.
  3. (in psychology) acting in a way that is less mature than normal
    Under stress, he showed regressive behaviors like sulking.
  4. (in linguistics) when a sound is changed by a later sound in the word
    Regressive assimilation alters sounds based on the next sound in speech.