Definition of retroactive adjective from the Oxford Advanced Learner's Dictionary

 

retroactive

 adjective
adjective
BrE BrE//ˌretrəʊˈæktɪv//
 
; NAmE NAmE//ˌretroʊˈæktɪv//
 
(formal)
 
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= retrospective
See the Oxford Advanced American Dictionary entry: retroactive

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