retroact

动词 v.
中文释义

英文释义

动词 v.
  1. To act retrospectively or in opposition
    — In their eyes the past was good or bad for itself, and the present good or bad for itself, and an evil past could no more shadow a virtuous present than a virtuous present could retroact to brighten or redeem an ugly past.
  2. to be retrospective.
  3. To apply (a law) retroactively to situations that predate the enactment of the law.
    — Sec. 4. The effectivity of this Act shall retroact to January 1, 2001.

词形变化

retroacts present,singular,third-person retroacting participle,present retroacted participle,past retroacted past

词源

From retro- + act.
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