English dictionary



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English adjective: retroactive

1. retroactive descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously


Domain categorypsychological science, psychology


Antonymsproactive

2. retroactive affecting things past


SamplesRetroactive tax increase.
An ex-post-facto law.
Retro pay.


Synonymsex post facto, retro


Similarretrospective


Antonymsprospective









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