verb (used without object)
- to act in opposition; react.
- to have reference to or influence on past occurrences.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for retroact
Historical Examples of retroact
The concentric is the passive state, for when one experiences a deep emotion, he must retroact.
In all such eases, odd as it may sound, our judgment may actually be said to retroact and to enrich the past.
British Dictionary definitions for retroact
- to act in opposition
- to influence or have reference to past events
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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