retroact

[ re-troh-akt ]

verb (used without object)

1. to act in opposition; react.
2. to have reference to or influence on past occurrences.

retroact

/ ˈrɛtrəʊˌækt /

verb

1. to act in opposition
2. to influence or have reference to past events

Word History and Origins

Origin of retroact¹

First recorded in 1785–95; retro- + act

Example Sentences

Retroact, rē-trō-akt′, v.i. to act backward, or in return or opposition, or on something past or preceding.—n.

From Project Gutenberg

That woman could not retroact and touch the memory of Ida.

From Project Gutenberg

That woman could not retroact and touch the memory of Ida.

From Project Gutenberg

The concentric is the passive state, for when one experiences a deep emotion, he must retroact.

From Project Gutenberg

Contemplation makes the body retroact.

From Project Gutenberg