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Webster 1913 Edition
Retroact
Reˊtro-act′
,Verb.
I.
[Pref.
retro- + act
.] To act backward, or in return; to act in opposition; to be retrospective.
Definition 2024
retroact
retroact
English
Verb
retroact (third-person singular simple present retroacts, present participle retroacting, simple past and past participle retroacted)
- To act backward, or in return; to act in opposition; to be retrospective.