Retroaction Definition

rĕtrō-ăkshən

noun

Application of a subsequent rule or condition to something that occurred at a previous time.

American Heritage

Opposed, reverse, or reciprocal action; reaction.

Webster's New World

Effect, as of a law, on things done prior to its enactment or effectuation.

Webster's New World

Any action that has an influence due to a past event.

Wiktionary

Synonyms:

Other Word Forms of Retroaction

Singular:

retroaction

Plural:

retroactions

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