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Meaning of “retroactive” in the English Dictionary

"retroactive" in British English

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retroactiveadjective

uk   /ˌret.rəʊˈæk.tɪv/  us   /ˌret.roʊˈæk.tɪv/ (also retrospective) formal
retroactively
adverb uk   /ˌret.rəʊˈæk.tɪv.li/  us   /ˌret.roʊˈæk.tɪv.li/
The courts cannot apply a new rule retroactively.
(Definition of retroactive from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"retroactive" in American English

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retroactiveadjective [not gradable]

 us   /ˌre·troʊˈæk·tɪv/
(of a law or other agreement) having effect from the time before the law or agreement was approved: I’m getting a retroactive salary increase.
retroactively
adverb [not gradable]  us   /ˌre·troʊˈæk·tɪv·li/
The courts cannot apply a new rule retroactively.
(Definition of retroactive from the Cambridge Academic Content Dictionary © Cambridge University Press)

"retroactive" in Business English

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retroactiveadjective

uk   us   /ˌretrəʊˈæktɪv/ LAW
if a law, decision, etc. is retroactive, it has effect from a date in the past before it was approved: The changes will not be retroactive. The Justice Department had opposed the retroactive application of the guidelines.retroactive to sth The proposed pay raises are retroactive to July 1.
See also
(Definition of retroactive from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “retroactive”
in Chinese (Simplified) 有追溯效力的, 溯及既往的…
in Chinese (Traditional) 有追溯效力的, 溯及既往的…
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“retroactive” in British English

“retroactive” in American English

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