retroact

Definitions

1. To act retrospectively or in opposition
2. to be retrospective.
3. To apply (a law) retroactively to situations that predate the enactment of the law.

Equivalents

Examples

“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.”

“Sec. 4. The effectivity of this Act shall retroact to January 1, 2001.”

CEFR level